Mark Zuckerberg and Priscilla Chan have spent well over $100 million in a bid to spread technology-based “personalized learning” to schools, specifically their pet project, Summit. Matt Barnum looks at how their philanthropy's shifting strategies reflect its failure to deliver on promised learning gains. 

This story was originally published by Chalkbeat on October 4, 2023. Find NEPC's previous research briefs about Summit here (published 2023) and here (published 2020).