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Empowering Multilingual Learners and Educators in California and Beyond
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.
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Creating Impactful Professional Development Opportunities
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Full Model
A multi-year initiative that comprehensively transforms school districts to support all students, especially multilingual learners.
Professional Development Series
1-2 years of focused, evidence-based training that strengthens instruction for multilingual learners while building long-term capacity.
Accelerator Training
1-2 years of focused, evidence-based training that strengthens instruction for multilingual learners while building long-term capacity.
Free Professional Development Pathways
1-2 years of focused, evidence-based training that strengthens instruction for multilingual learners while building long-term capacity.
Donate to SEAL
Help us create impact for multi-lingual learners across California and beyond.
Events at SEAL
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La Cosecha Dual Language Conference
Join SEAL at La Cosecha 2025 for Supporting Newcomers in Dual Immersion Schools with Dr. Laurie Olsen and Heather Skibbins. Discover research-based strategies to prepare, welcome, and support newcomer students so every multilingual learner thrives.
Latest from SEAL
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.
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.
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.