Research
Explore our published insights designed to help advance the field’s understanding of what works for English Learners, Dual Language Learners, and Multilingual Learners.

Dual Language Learners in Transitional Kindergarten
California’s Universal Transitional Kindergarten (UTK) multi-year expansion is a historic investment to expand access to early learning programs for every 4-year-old in the state. Alongside other early learning and care programs in the mixed-delivery Universal PreKindergarten (UPK) system, TK aims to provide young learners with the foundational experiences they need to thrive as they enter kindergarten and beyond. The following article showcases the impactful work taking place across California school districts—from university partnerships that support bilingual TK educators to the growth of dual language immersion (DLI) programs, and the creation of inclusive, welcoming environments for all children.

SEAL Overview Impact Report
SEAL’s Overview Impact Report showcases our mission, reach, and lasting influence on multilingual learners. Explore our story, see our statewide impact, learn how our pedagogy centers English Learners, and discover key lessons from our work with schools and communities.
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Key Lessons from Over a Decade of Impact
When schools center language, culture, and community, English Learners don’t just succeed—they thrive. We’ve identified eight key lessons about what it truly takes to create schools where multilingual learners flourish. Download to read more about these key lessons.

SEAL's 11 High-Leverage Pedagogical Practices
Our 11 High-Leverage Pedagogical Practices equip educators to create rigorous, joyful, and language-rich classrooms where every student succeeds. By integrating students’ linguistic and cultural assets, SEAL fosters a learning environment that values home languages and empowers diverse learners to reach their full potential.
Latest Presentations
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CABE 2025 El poder de contar historias: Herramientas para promover el bilingüismo en casa
Este taller le proveyó herramientas y estrategias sobre cómo promover el bilingüismo en casa usando las mejores prácticas basadas en la investigación del modelo SEAL.
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CABE 2025 Cross-Linguistic Connections in Multilingual Programs
This workshop explored how to develop students’ metalinguistic awareness through cross-linguistic strategies and practices.
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CABE 2025 Designated and Integrated ELD: Using Language Functions as a Bridge
We explored SEAL’s model of language functions, graphic organizers, differentiated sentence frames, and transfer lessons while developing a deep understanding of how to bridge what their students are learning in Spanish into content-based Designated ELD.
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CABE 2025 Designated ELD that Targets Your Students Needs
Our team shared a formative assessment technique, Oral Language Analysis (OLA), used in the SEAL model to help successfully plan and implement responsive DELD lessons.

Equitable Literacy Instruction: Ensuring the Science of Reading Works for All Children
Missed the Campaign for Grade-Level Reading’s Webinar on Equity in the Science of Reading? Watch the Recording!

High Quality DLI: Pedagogy, Curriculum, Instruction Webinar Recording
In this webinar, SEAL Associate Director Heather Skibbins joined University of Missouri and Biltmore Preparatory Academy on best practices for dual language programs, from infants to early elementary students. They discussed how to adapt curricula, pedagogy, and instruction for dual language programs, and how to ensure that all instruction and curricula are culturally and linguistically responsive.