How Summer Learning Strengthens Students’ Success is an independent evaluation of three Summer Matters pilot programs. The report measures impact on students’ academic achievement – both during the summer months and extending throughout the school year. Analysis of the data concluded high quality summer learning programs in Fresno, Los Angeles and Sacramento have bolstered students’ academic success by strengthening their academic skills in general and literacy skills in particular, and increasing the effectiveness of their work habits and confidence in their abilities as learners.