Given the short timeframe for summer programs, can staff learn practices and ways of relating to young people that not only provide fun and enriching experiences, but also help young people make academic gains? How well do these practices need to be implemented to make a meaningful difference? How can summer programs implement a process to improve staff practices? The Summer Learning Program Quality Intervention (SLPQI) was designed to answer these questions. The best part? It found measurable academic gains for young people and improvements in staff practice. (author abstract)