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Empowering Dual Language and Multilingual Learners Through
Rigorous
,
Joyful
Learning
SEAL provides educators and schools with research- and evidence-based tools that help Dual Language and Multilingual Learners succeed, igniting a lifelong joy for learning in the process.
About SEAL
SEAL is a nonprofit with a powerful research- and evidence-based approach to advancing the educational outcomes of multilingual learners. For more than 15 years, we've worked across the state of California, partnering with preschools and elementary schools, districts, county offices and other educational stakeholders to ensure all English Learners and Dual Language Learners learn, thrive and lead.
367
Preschool and Elementary Sites
2,400 +
California Educators Trained
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Our Work : Enhancing Multilingual Learner Success
We believe love for learning starts early, and requires persistent and engaging practice and application. Our whole-school strategy—from family partnership to culturally and linguistically responsive school environments—works to bolster language development, literacy, and champion success and joy in academics.
Educator Practice
We bring a dynamic blend of teacher training and leadership growth to our educators and administrators, sparking cross-school collaboration and building internal coaching and capacity to support all students. SEAL-trained teachers report increased confidence in their work, as well as feeling more empowered and effective in engaging with Dual Language and Multilingual Learners and their families.
Proven and Rigorous Research
Effective education demands continuous advancement. We conduct research in our classrooms, pilot new approaches, and publish insights, findings, updates, anecdotes, and more to advance the field’s understanding of what works for Dual Language and Multilingual Learners.
Policy & Advocacy
Lifelong joy for education starts in the classroom, and lasting change requires effective policy. We advocate for better opportunities for all students by using our research, practice, and analysis to connect schools and administrations to policies and policymakers that advance the needs of our students.
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Upcoming Events
Join us for our upcoming events, in-person and online, and share in all the knowledge, networks, and resources SEAL has to offer.
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August 5, 2025
Virtual Info Session: Bring State-Funded Bilingual Teacher Training to Your District
Learn how your California school district can access fully state-funded professional development through SEAL’s Bilingual Teacher Pathway. Support multilingual learners, expand your bilingual educator pipeline, and build internal capacity—at no cost.
Our Resources
Looking for more ways to engage your students and create a joyful learning environment? We’ve curated the best resources—from SEAL-approved tools for Dual Language and Multilingual Learners to videos that bring you directly into our classrooms —to give your students the opportunity to learn, thrive, and lead.
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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.
Myths and Research About Early Bilingual Development
This resource lists six common myths about early bilingual development and provides research that debunks them. It serves as a valuable tool for educators engaging families in discussions about the benefits of home language development.
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.
Effective ELD in California's Dual Language Programs
Featured News
Learn about changes in policy, up-to-date research, and practices to support Dual Language and Multilingual Learners. And don’t forget to sign up for our newsletter here .
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