This paper provides practical guidance for researchers who are designing and analyzing studies that randomize schools - which comprise three levels of clustering (students in classrooms in schools) - to measure intervention effects on student academic outcomes when information on the middle...

This study is the second report on an evaluation of the Reading Partners program, which uses community volunteers to provide one-on-one tutoring to struggling readers in underresourced elementary schools. At each school, Reading Partners transforms a dedicated space into a “reading center,”...