Instructional time is a fundamental educational input, yet we have little causal evidence about the effect of longer school days on student achievement. This paper uses a sharp regression discontinuity design to estimate the effects of lengthening the school day for low-performing schools in Florida by exploiting an administrative cutoff for…

The Cape York Aboriginal Australian Academy (CYAAA), which began operation as part of the government schooling system in 2010, incorporates activities across three overlapping "domains": Class--the formal schooling component; Culture--Indigenous and non-Indigenous cultural knowledge; and Club--sporting, cultural, music and physical…

This article presents the results of the 2nd-year evaluation of an after-school program designed for an extended school day program serving African American middle school students in the city of Baltimore, Maryland (ACCESS-West). This study describes the effects of schoolwide reform especially as it relates to single-gender schools, educating…