
ABOUT STRATA
About Strata Learning Academy
Strata Learning Academy is an early learning program designed to support children’s growth, confidence, and curiosity during the foundational years of development.
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Our work is grounded in an understanding of how young children learn over time. Learning at Strata Learning Academy is not rushed or fragmented. Educators design experiences intentionally, allowing children to explore ideas, revisit questions, and build understanding gradually through hands-on engagement and meaningful relationships.
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Across classrooms, children experience environments that are thoughtfully designed, supported by skilled educators, and responsive to their developmental needs. The focus remains on building strong foundations for learning, independence, and connection that extend well beyond early childhood.
Built on Strong Foundations
Strata Learning Academy is part of Strata Learning, an education organization that provides leadership, standards, and operational oversight in support of high-quality learning programs.
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Strata Learning builds on the legacy of Happy Hall Schools, which has served families on the San Francisco Peninsula for decades. Over time, this foundation has been shaped by thoughtful leadership, steady growth, and a deep commitment to children, families, and educators.
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Mary Lou Johnson played a pivotal role in shaping these early layers. Her leadership emphasized care for children, respect for educators, and the importance of well-run programs grounded in consistency and trust. These principles continue to inform how Strata approaches learning, program design, and community today.
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Strata reflects a modern, evolving approach to education, intentionally built upon the layers that came before. Each layer adds depth, clarity, and strength to the work carried forward at Strata Learning Academy.

Leadership & Oversight
Strata Learning Academy is supported by an experienced leadership team within Strata Learning. This team provides educational oversight, operational guidance, and long-term planning to ensure programs remain consistent, well-run, and responsive to the needs of children and families.
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Leaders collaborate closely with site teams, supporting strong learning environments, clear systems, and ongoing professional growth. This structure allows educators to focus on children, relationships, and learning each day.
Gallery
Explore the Early Learning gallery to see Strata Learning Academy in action.
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Images highlight hands-on exploration, collaboration, and learning as it unfolds across the day. The gallery reflects real classroom experiences, meaningful interactions, and environments designed to support children’s thinking, independence, and growth over time.

Careers at Strata
Strata Learning is a learning organization grounded in research, reflection, and practice. Our work spans early learning, school-age programs, and camps, connected by a shared commitment to how learning develops over time.
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We build learning environments that are thoughtful, responsive, and intentionally designed. That work depends on educators and staff who are curious, reflective, and committed to doing meaningful work with children.
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Learn more about working at Strata and view current openings.
