Catching students up who have fallen behind academically is a key challenge for educators, and can be difficult to do in a cost-effective manner. This field experiment examines the causal effect of a program designed to provide struggling sixth and seventh graders with math instruction delivered in small groups of roughly ten students by select…

For a long time, the issue of summer learning has waited in the wings, like a fully prepared understudy, ready to jump in and take the stage should the star need a back-up. Recently, though, summer learning has moved into the spotlight--and at the same time, the script is changing. Instead of memorizing and mimicking the star's lines, summer…