This study reports the findings from a year-long randomized evaluation assessing the impact of assigning 62 classrooms in Nigeria to receive either blocked or interleaved math problem sets. Blocked practice sessions focused on a single skill at a time. Interleaved problem sets alternated between different skills within a practice session. On tests…

This case presents how the leadership team and faculty of a small, independent school used design thinking to respond to a competitive marketplace and desire for enrollment growth in the middle grades. The new middle school head came in with a mandate for substantial change and sought to engage all stakeholders in a process of redesign and program…