Efficacy Study Validation Summaries OGAP Math Professional Learning (The Ongoing Assessment Project) OGAP Math meets national ESSA evidence standards with an ESSA rating of STRONG and the 2nd highest effect size. Learn more about this incredible professional learning system here. Download the Efficacy Study Validation Summaries about OGAP Math Professional Learning from the research [...]

New Publication on OGAP Research Pathways to performance: The experimental impacts of learning trajectory-oriented formative assessment in mathematics. American Journal of Education, 130 (4). Supovitz, J. A., Ebby, C.B., and Collins, G. (2024).