The paper evaluates math performance at four high-need middle schools during a four-year intervention, which was designed to help math teachers diagnose students' areas of need and to design lesson plans responsive to those needs. Before the intervention began, the researchers pre-selected four...

In California 38% of students are either current or former English Learners (ELs). A crucial decision in their educational trajectory is when to reclassify ELs. Upon reclassification, ELs cease to receive language supports, but have more opportunities to take the same courses as fluent English...