Teaching Lab is a research-based professional learning (PL) organization focused on providing educators with PL aligned with high-quality instructional materials and developing teachers’ leadership capacity to improve student outcomes.
In 2025, Teaching Lab reached 18,000 teachers (a seven percent increase from the previous year) and 1.3 million students. The organization has accomplished continued expansion via large district and state procurement contracts, as well as blended delivery models and artificial intelligence (AI)-enabled support that extend its reach while maintaining model rigor. In 2024, Teaching Lab launched the Teaching Lab Studio, which allows the organization to develop, test, and scale AI-enabled tools and models that promote coherence, improve teacher practice, and deepen student learning.
In the process of scaling, Teaching Lab has continued to generate self-reported evidence that the model supports stronger teacher practices and enhances student learning across partnerships: increasing teacher content knowledge by 13 percent; improving teacher practice by 30 percent; and increasing student learning by up to 23 percent. In some larger partnerships, Teaching Lab has demonstrated more rigorous evidence of impact. For example, Teaching Lab and researchers at the University of Maryland received support from fellow grantee the Research Partnership for Professional Learning to conduct a randomized controlled trial of its PL model in New Mexico. The study found more robust causal evidence that Teaching Lab professional learning in math led to some improvements in teachers’ instructional practices and also boosted student engagement in math.
Overdeck Family Foundation has funded Teaching Lab since 2016, and the organization’s current CEO, Dr. Sarah Johnson, is a Foundation alumna. In addition to providing general operating support and various capacity-building opportunities to help Teaching Lab generate evidence of impact and scale nationally, the Foundation also supported the launch of Teaching Lab’s partnership with NYC Reads for SY 2023-24, which paired Teaching Lab with five new districts in New York City to implement high-quality English language arts and math curricula and support teachers through aligned professional learning. In 2025, Teaching Lab announced it was joining forces with Relay Graduate School of Education to scale high-impact supports for educators and leaders nationwide.
