Best AI for Multilingual Learners and ELL Students in 2026

Quick Answer: AI for multilingual learner instruction generates WIDA-aligned language objectives differentiated across the five proficiency levels (Entering through Bridging); sheltered instruction SIOP lesson plans that simultaneously develop academic English and content knowledge; translanguaging activities that invite students to draw on their full linguistic repertoire as a cognitive resource; vocabulary development sequences using Tier 2 academic vocabulary research; culturally responsive curriculum that treats multilingualism as an asset rather than a problem; differentiated scaffolding (sentence frames, graphic organizers, visual supports) calibrated to specific proficiency levels; and family engagement strategies that include multilingual families in their children's education. Platforms like EduGenius help Grades KG-9 classroom teachers and ESL specialists design instruction that develops genuine bilingual and academic language proficiency—not compliance-oriented ELL support that isolates students from rigorous academic content.

Multilingual learners—students identified as English language learners (ELLs), English learners (ELs), or emerging bilinguals, as the field increasingly prefers to name them—are the fastest-growing student population in the United States (approaching 10% of total enrollment, or approximately 5 million students) and among the fastest-growing in many countries globally as international migration increases linguistic diversity in traditionally monolingual school systems.

The educational outcomes gap between multilingual learners and their English-proficient peers is real and persistent: on the NAEP (National Assessment of Educational Progress, the US national assessment), ELL students perform significantly below their English-proficient peers at every grade level in both reading and mathematics.

Yet this gap exists not because multilingualism itself is educationally limiting—the research is unambiguous that additive bilingualism (developing both languages to high proficiency) produces cognitive advantages—but because of how schools approach multilingual learners: as students with a language problem to be fixed rather than students with linguistic assets to be developed.

The shift from "English-only, as fast as possible" to "additive bilingualism, leveraging multilingual assets" represents one of the most significant paradigm shifts in language education research over the past three decades. The research supports this shift strongly:

• Students who develop high proficiency in their home language while developing English proficiency outperform students who receive English-only instruction on long-term academic outcomes
• Translanguaging practices that allow students to use their full linguistic repertoire in academic tasks produce better content learning and language development than English-only requirements
• Culturally responsive instruction that treats students' home cultures and languages as resources for learning produces stronger engagement and outcomes than instruction that treats home culture and language as obstacles

AI supports multilingual learner instruction by helping teachers design the language-rich, scaffolded, culturally responsive instruction that this population requires—generating differentiated language objectives, appropriate scaffolding at each proficiency level, translanguaging activities, and vocabulary development sequences that content teachers without ELL specialization may not know how to design.

Research Foundations of Multilingual Learner Education

Cummins: BICS, CALP, and Common Underlying Proficiency

Jim Cummins' research at the Ontario Institute for Studies in Education (OISE), developed through multiple frameworks since the late 1970s, remains foundational to understanding second language acquisition in school contexts:

BICS and CALP (Basic Interpersonal Communicative Skills and Cognitive Academic Language Proficiency):

• BICS: The conversational, social language used in face-to-face interactions—supported by contextual cues (facial expressions, gestures, intonation, shared physical context) and developed through social interaction. ELL students typically develop conversational English proficiency within 1-3 years of immersion in English-speaking environments.
• CALP: The academic, decontextualized language used in school tasks—reading complex text, writing argumentative essays, discussing mathematical reasoning, analyzing historical evidence. CALP develops more slowly (typically 5-7 years for ELL students to reach academic language parity with English-speaking peers) and requires explicit instruction in academic vocabulary, discourse structures, and language functions.

The BICS-CALP Confusion

Cummins' most important practical insight is that ELL students who appear conversationally fluent (BICS proficiency) may still be significantly below grade level in academic language proficiency (CALP). Teachers and administrators who interact with conversationally fluent ELL students may incorrectly conclude that language is no longer a barrier to academic achievement—leading to premature reclassification from ELL services, inappropriate placement in mainstream classrooms without support, and misattribution of academic difficulties to factors other than academic language development. Monitoring CALP development, not only conversational fluency, is essential.

Common Underlying Proficiency (CUP)

Cummins' CUP model (the "iceberg" metaphor) posits that academic knowledge and skills developed in one language transfer to the other—that students with strong literacy and academic language in their home language acquire English CALP faster and more completely than students with limited home language literacy. This has profound implications for ELL instruction: developing home language literacy is not a detour from English acquisition but an accelerant, because the academic concepts, discourse patterns, and literacy strategies transfer across languages.

Krashen: Input Hypothesis and Affective Filter

Stephen Krashen's theoretical framework for second language acquisition—most extensively presented in Principles and Practice in Second Language Acquisition (1982) and The Input Hypothesis (1985)—remains controversial among linguists but widely influential in classroom practice:

Input Hypothesis (i+1)

Language acquisition occurs when learners are exposed to "comprehensible input"—language slightly beyond their current proficiency level (i+1, not i+10 or i-1). Input that is too far above current proficiency is incomprehensible and does not contribute to acquisition; input at or below current proficiency is too easy to drive development. Instructional implication: instruction should be calibrated to be slightly beyond current student proficiency, not dramatically above it (which produces anxiety without acquisition) or at current proficiency (which produces no growth).

The Affective Filter Hypothesis

Language acquisition is blocked when anxiety, low self-esteem, or low motivation create an "affective filter" that prevents comprehensible input from reaching the language acquisition device. Students who fear making mistakes, feel embarrassed by accented speech, or are anxious about their status in the classroom acquire language less effectively than students in low-anxiety, high-confidence, high-motivation environments. Instructional implication: ELL instruction should minimize language anxiety, celebrate multilingualism, provide low-stakes practice opportunities, and create classroom cultures where errors are treated as a normal part of language acquisition.

Acquisition vs. Learning

Krashen distinguished language acquisition (unconscious development through comprehensible input, as children acquire their first language) from language learning (conscious study of grammar rules and vocabulary). Krashen argued that formal learning produces conscious knowledge that can be accessed as a "monitor" for editing but does not directly drive spontaneous language use. This remains contested—research on explicit grammar instruction suggests it does facilitate acquisition—but Krashen's emphasis on comprehensible input and the primacy of meaningful communication over formal drill influenced virtually all subsequent communicative language teaching approaches.

WIDA: English Language Proficiency Standards

The WIDA (World-class Instructional Design and Assessment) Consortium—representing 40+ US states and several international partners—developed the English Language Development Standards Framework (ELD Standards, 2012; 2020 Edition) that most comprehensively operationalizes academic language proficiency for assessment and instructional planning:

Six ELD Standards (2020 Edition):

1. Social and Instructional Language: Language used for interaction in classroom social contexts
2. Language of Language Arts: Text-based language for literacy and language arts content
3. Language of Mathematics: Precise mathematical language and discourse
4. Language of Science: Inquiry-based language and scientific discourse
5. Language of Social Studies: Historical and social scientific language
6. Language of Physical Education, Health, and Social-Emotional Learning: Domain-specific language for these contexts

Five Proficiency Levels:

1. Entering (Level 1): Single words, high-frequency vocabulary, visual and gesture support; short sentences in familiar contexts
2. Emerging (Level 2): Simple sentences; high-frequency and some general academic vocabulary; familiar topics with support
3. Developing (Level 3): Multiple related sentences; general academic and some specific vocabulary; familiar and some new topics with moderate support
4. Expanding (Level 4): Varied sentence structures; general and specific academic vocabulary; range of topics with minimal support
5. Bridging (Level 5): Complex sentences; nuanced academic vocabulary; most topics with little support; approaching the complexity of native-speaker academic language

The WIDA "Can Do" Framework: For each standard at each grade band and proficiency level, WIDA specifies "Can Do Descriptors"—what students CAN do with language, rather than what they cannot yet do. This asset-based framing reflects the broader field's shift from deficit to asset perspectives on multilingual learners.

García: Translanguaging Theory and Pedagogy

Ofelia García's translanguaging theory—developed through Bilingual Education in the 21st Century: A Global Perspective (2009), Translanguaging: Language, Bilingualism, and Education (García & Wei, 2014), and Translanguaging in Bilingual Education (García, Johnson & Seltzer, 2017)—represents one of the most significant theoretical developments in multilingual education:

Translanguaging Defined

Translanguaging is the flexible deployment of all a multilingual person's linguistic resources as a single, integrated system—not switching between two discrete, separate languages (code-switching), but drawing on all one's linguistic resources as one unified repertoire. A Spanish-English bilingual student is not "a Spanish speaker" plus "an English speaker" but a complex linguistic being who possesses all the features of Spanish and English (and any other languages in their repertoire) as an integrated system and deploys them flexibly according to context and communicative need.

Pedagogical Translanguaging

García and colleagues distinguish between students' spontaneous translanguaging (using their full linguistic repertoire as they naturally would) and pedagogical translanguaging (teachers deliberately designing activities that leverage and develop students' full linguistic repertoire for academic learning). Pedagogical translanguaging moves include:

• Reading a text in both English and the home language and comparing vocabulary, structure, and meaning
• Using home language to brainstorm ideas before writing in English
• Discussing a concept in home language to develop deep understanding, then translating/explaining in English
• Comparing mathematical problem-solving strategies across languages
• Annotating English-language texts with home language marginal notes

Translanguaging Space

García introduces the concept of "translanguaging space"—a classroom environment that welcomes students' full linguistic repertoire as a learning resource. Creating translanguaging space requires teachers who recognize multilingual students' full linguistic identities, who explicitly invite home language use for cognitive and academic purposes, and who understand that using home language for learning is not a crutch or a shortcut but a legitimate and powerful learning strategy.

Echevarría, Vogt, and Short: SIOP Model

Jana Echevarría, MaryEllen Vogt, and Deborah Short developed the Sheltered Instruction Observation Protocol (SIOP) model through research at the Center for Research on Education, Diversity, and Excellence (CREDE), most extensively documented in Making Content Comprehensible for English Learners: The SIOP Model (1999-2017):

SIOP Components:

1. Lesson Preparation: Content objectives AND language objectives stated; appropriate content concepts; supplementary materials; adaptation of content for students' proficiency levels; meaningful activities
2. Building Background: Explicit connections to students' prior knowledge; explicit connections to past learning; key academic vocabulary taught in advance
3. Comprehensible Input: Speech appropriate for proficiency level; clear explanation of academic tasks; variety of techniques to make content concepts clear
4. Interaction: Frequent student interaction and elaboration; grouping configurations appropriate to content and language objectives; ample time for student production; student opportunities to clarify concepts in home language
5. Practice and Application: Activities for students to practice content knowledge and apply it using all four language skills (reading, writing, listening, speaking)
6. Lesson Delivery: Content objectives clearly supported; language objectives clearly supported; students engaged 90%+ of instructional time; student pacing appropriate
7. Review and Assessment: Comprehensive review of key vocabulary; comprehensive review of key content concepts; regular assessment of student comprehension and learning; opportunities for student self-assessment

The Language Objective Requirement: SIOP's most distinctive requirement—and the most commonly skipped in implementation—is the language objective: every lesson must specify not only what students will learn (content objective) but how they will demonstrate and develop that learning through language (language objective). Content objective: "Students will describe the causes of the American Civil War." Language objective: "Students will use the sentence frame 'One cause of the Civil War was ___ because ___' to orally and in writing explain at least three causes."

AI Applications in Multilingual Learner Instruction

Differentiated Language Objectives by WIDA Level

"Design differentiated language objectives for a Grade 5 science lesson on photosynthesis, for students at WIDA Levels 1-5. For each level, provide: the language objective (what language function students practice—describe, explain, compare, justify); the language form (sentence structure, vocabulary level); and the scaffolding support provided (sentence frame, visual, word bank, partner support)."

• Level 1 (Entering): Point to and name the parts of the plant involved in photosynthesis using labeled diagram.
• Level 2 (Emerging): Describe one part of photosynthesis using sentence frame 'The [leaves/roots/sun] ___ so that ___'.
• Level 3 (Developing): Explain the process of photosynthesis in a paragraph using sequential vocabulary (first, then, next, finally) and provided word bank.
• Level 4 (Expanding): Compare photosynthesis to another process of energy transformation using comparative language.
• Level 5 (Bridging): Analyze and explain the relationship between photosynthesis and cellular respiration using complex academic language with minimal scaffold.

Include scaffolding materials for each level."

"Generate a WIDA-aligned differentiated lesson sequence for a Grade 7 English Language Arts unit on figurative language. For five levels:"

1. Language objective
2. Activity description
3. Scaffold materials
4. Assessment method
5. Opportunity for translanguaging (using home language as cognitive support)

"The lesson content: identifying and interpreting figurative language (simile, metaphor, personification, hyperbole) in a short literary text. Include examples from culturally diverse texts (Gabriel García Márquez; Chimamanda Ngozi Adichie; Amy Tan; Zora Neale Hurston) to provide entry points for students from diverse backgrounds who may recognize the literary culture."

SIOP Lesson Plan Design

"Create a SIOP-aligned Grade 3 social studies lesson on community helpers, meeting SIOP requirements for students at WIDA Levels 2-4. Include:"

1. Content objective: Students will identify the roles of five community helpers and explain how they contribute to the community.
2. Language objective (SIOP requirement): Students will use the sentence frame 'A [firefighter/doctor/teacher/librarian/postal worker] [verb] so that ___' to orally describe at least three community helpers.
3. Building background: connect to students' prior knowledge of community helpers they've encountered; visual vocabulary preview with picture-word cards.
4. Comprehensible input: simplified text with visual supports; teacher think-aloud modeling sentence frame use.
5. Interaction: partner activity where students interview each other about community helpers using structured question card.
6. Practice/Application: students create a community helper trading card (picture + sentence using the frame).
7. Assessment: exit slip using the sentence frame.

Include all materials: vocabulary cards, sentence frame display, interview question card, trading card template."

"Design a SIOP-aligned Grade 10 history lesson on the causes of World War I for a class with ELL students at WIDA Levels 3-5 alongside English-proficient peers. The lesson should:"

• Develop the content (alliance system, assassination of Franz Ferdinand, nationalism, militarism) simultaneously for all students.
• Differentiate language support (Level 3: sentence frames and graphic organizer; Level 4: guided notes with academic vocabulary; Level 5: minimal scaffolding, focus on sophisticated historical thinking language).
• Incorporate translanguaging by inviting ELL students to discuss the concept of nationalism in relation to their own cultural context.
• Include a collaborative group task where ELL students' background knowledge (of their home country's history) is an asset for the discussion, not a deficit.

Include differentiated materials and facilitation notes."

Translanguaging Activities

"Design three translanguaging activities for a Grade 6 ELL classroom with students from Spanish, Haitian Creole, and Somali language backgrounds."

• Activity 1: 'Cognate Mining' — students identify cognates (words with shared roots) between English and Spanish (education/educación; information/información; nation/nación); discuss how this linguistic knowledge helps them read academic English texts. Haitian Creole students identify French-derived cognates (since Haitian Creole has significant French influence); Somali students note patterns in Arabic loan words in academic English (algebra, chemistry, algorithm).
• Activity 2: 'Home Language Brainstorm, English Develop' — students brainstorm everything they know about a science concept (ecosystems) in their home language (or in pictures/diagrams), then work with a partner to translate the key ideas into academic English using provided vocabulary supports.
• Activity 3: 'Multilingual Text Analysis' — students read a short paragraph in English and in their home language; compare vocabulary, sentence structure, and how ideas are expressed differently; discuss what this comparison reveals about English academic language structure."

"Create a translanguaging protocol for a Grade 4 writing workshop where students write personal narratives. The protocol:"

1. Students plan their narrative in their home language (writing, drawing, talking with a home-language partner).
2. Students draft key scenes in their home language first.
3. Students receive language support to translate/render their most important scene in English, with teacher and peer support on specific vocabulary and sentence structure.
4. The final draft includes the student's choice of how much home language vs. English appears (some students may write entirely in English; others may write a bilingual text; some may include home language quotations with English framing).
5. Students share their narrative with the class and explain their language choice.

Rationale for each step, and guidance for teachers on how to evaluate bilingual writing that honors both linguistic complexity and English language development goals."

Academic Vocabulary Development

"Design a Tier 2 academic vocabulary development sequence for multilingual learners in Grade 8 science, focusing on words from Beck, McKeown, and Kucan's academic vocabulary framework. Tier 2 words for this unit on ecosystems (words that appear across content areas, not just science): demonstrate, indicate, establish, distribute, generate, require, vary, maintain, develop, affect. For each word:"

1. Student-friendly definition
2. Sentence examples in the ecosystem context AND another content-area context (showing cross-domain utility)
3. Visual representation
4. Word relationship activity (how does 'affect' relate to 'cause'?)
5. Sentence frame for student use
6. Cognate in Spanish/French/Portuguese where applicable (demonstrate → demostrar; indicate → indicar)

Include spacing repetition sequence: introduce on Monday, revisit Tuesday, apply Wednesday-Thursday, assess Friday."

"Generate a vocabulary instruction sequence for Grade 5 ELL students learning the language of mathematical word problems. Common language barriers in word problems:"

• Comparison words (more than, less than, times as many, fraction of)
• Process words (calculate, determine, find, solve for, explain)
• Temporal and logical connectors (if...then; after; total; combined; remaining)
• Part-whole language (portion, percent of, out of, divided into)

"For each category: explicit teaching of the language pattern; practice activities using the pattern with familiar number contexts before unfamiliar word problem content; a student reference card with examples; and three differentiated word problems (Level 2, 3, and 4) using the same mathematical content but different language complexity."

EduGenius (edugenius.app) supports multilingual learner instruction at Grades KG-9 by helping classroom teachers and ESL specialists design WIDA-aligned differentiated activities, SIOP lesson components, translanguaging materials, and academic vocabulary sequences—reducing the planning burden of differentiation while ensuring that ELL instruction is grounded in the research on language acquisition and academic language development.

Classroom Scenario: Nairobi Gets a New Neighbor — ELL Teaching in Minneapolis, Minnesota

Say you teach a sheltered English immersion class at a public middle school in North Minneapolis, Minnesota—a neighborhood with one of the highest concentrations of East African immigrants in the United States. Your class in a given year could include students who have immigrated from:

• Somalia (the largest East African community in Minnesota, approximately 150,000 Somali-Americans in the Twin Cities metro, the largest Somali diaspora community outside Somalia)
• Ethiopia (a smaller but growing Ethiopian community, primarily Oromo and Amhara diaspora)
• Eritrea (Eritrean diaspora with distinct history from the 1991 independence war and subsequent authoritarian governance)
• Sudan/South Sudan (including students from the "Lost Boys" second generation and newer arrivals from South Sudan's post-independence conflicts)

This classroom represents a specific version of the multilingual learner challenge: students who share a geographic region of origin and some aspects of cultural background (East African; many are Muslim; many have experienced displacement and migration) but who speak mutually unintelligible languages (Somali, Oromo, Amhara, Tigrinya, Arabic, Dinka, Nuer) and have widely varying prior educational experiences (some students have had strong formal education; others have had years of interrupted schooling in refugee camps).

Interrupted Schooling and CALP Development

Several of your students might be Students with Interrupted Formal Education (SIFE)—a subgroup within the ELL population who have had significant gaps in formal schooling (typically due to refugee situations, conflict, or poverty). These students face a compounded challenge: they must develop English language proficiency while simultaneously catching up on academic content knowledge and developing the literacy and academic language skills (CALP) that students with consistent schooling have been building for years.

Cummins' BICS-CALP distinction is acutely relevant for SIFE students: they may develop conversational English relatively quickly (BICS) while remaining far below grade level in academic language and content knowledge (CALP). For SIFE students, the 5-7 year timeline for CALP development that Cummins identifies for ELL students with strong home language literacy can extend further—because the home language academic foundation that facilitates cross-linguistic transfer is absent.

You can adapt your instruction for SIFE students with a parallel literacy development strand: incorporating foundational literacy instruction (phonics, word recognition, fluency) alongside grade-level content instruction—a challenging but necessary combination for students who need accelerated literacy development without being permanently tracked into below-grade-level content.

Somali Cultural and Linguistic Resources

Somali is an interesting linguistic case for classroom teachers: it is agglutinative (words are formed by adding affixes to roots in complex ways), tonal (unlike English), written in a modified Latin script (adopted officially in 1972, relatively recently), and has a strong oral literary tradition (gabay poetry is a central feature of Somali culture and uses sophisticated literary language).

Several of your Somali students may be highly literate in oral Somali tradition—able to recite lengthy poems from memory and understanding complex narrative and metaphorical structures—while having limited experience with written text in any language.

This oral literary sophistication is a genuine linguistic and cognitive asset: students with strong oral narrative ability can transfer their narrative thinking to English writing more readily than might be expected from their written literacy levels. You could explicitly incorporate oral storytelling tasks (students tell their story orally before writing, using a translator or partner as needed) as a pathway to written narrative—honoring and leveraging the oral literary tradition rather than treating it as irrelevant to academic literacy.

The Refugee Experience as Curriculum

Many of your students may have experiences that are genuinely part of the curriculum in social studies (the history of the Somali Civil War; the Ethiopian-Eritrean conflict; South Sudanese independence) and can speak from lived experience about historical and political events that other students know only from textbooks. This creates an opportunity for García's translanguaging space: you can explicitly invite students to share their direct knowledge and experience as part of the social studies curriculum, treating their backgrounds as primary source expertise.

This requires careful facilitation—some experiences are traumatic, and it is important to be mindful of not requiring students to perform their trauma for educational purposes. Offer choice: students can share as much or as little of their personal experience as feels comfortable; the goal is to honor their knowledge, not exploit their stories.

Family Engagement in Multilingual Contexts

Parent engagement with Somali, Ethiopian, and Eritrean families requires cultural competence beyond language translation. Different families have different relationships with formal education systems (some come from contexts where schools were government institutions associated with hostile regimes), different norms for parent-teacher relationships (in some contexts, teachers are authority figures who should not be questioned; direct communication about student struggles may feel like criticism), and different levels of familiarity with the US school system's expectations for parent involvement.

Working with a cultural liaison helps you navigate not only language translation but the cultural frameworks through which families understand the purpose and expectations of their children's schooling.

Internal Resources

• Best AI for Bilingual and Dual Language Education
• Best AI for Culturally Responsive Teaching
• Best AI for Differentiated Instruction
• Best AI for Early Literacy Education
• Best AI for Inclusive Education and Disability Support