Randomized experiments are often considered the strongest designs to study the impact of educational interventions. Perhaps the most prevalent class of designs used in large scale education experiments is the cluster randomized design in which entire schools are assigned to treatments. In cluster randomized trials (CRTs) that assign schools to…

For English learners (ELs), reclassifying to fluent English proficient (RFEP) signifies reaching a milestone indicating the ability to function in mainstream classes without support. Little is known about the discrepancy between the number of ELs who meet reclassification criteria and the number who are reclassified as fluent English proficient,…