Success Academy is a rapidly expanding charter school network in New York City. In this paper, MDRC uses lotteries for the seven Success Academy schools operating during the 2010-2011 school year to estimate the difference in students’ academic achievement caused by Success Academy.
The Importance of Evidence
In this essay, adapted from remarks made to the Growth Philanthropy Network/Social Impact Exchange 2014 Conference on Scaling Impact, MDRC President Gordon Berlin explains why developing reliable evidence of effectiveness is critical when expanding programs to a large scale.
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 level (classrooms) is missing.
A Look at Early Implementation and Impacts on Student Achievement in Eight Elementary Schools