This document presents the technical appendices that accompanies the full report, "Evaluation of the DC Opportunity Scholarship Program: Impacts Three Years after Students Applied." The four appendices include: (1) Program Features, Lottery Structure, Study Sample, and School Characteristics; (2) Technical Approach; (3) Impact Findings…

The District of Columbia Opportunity Scholarship Program (OSP) was created by Congress to provide tuition vouchers to low-income parents who want their child to attend a private school. The Scholarships for Opportunity and Results (SOAR) Act of 2011 also mandated an evaluation of the OSP program. This report examines impacts one year after…

The District of Columbia (DC) Opportunity Scholarship Program (OSP) was created by Congress in 2004 to provide tuition vouchers to low-income DC parents who want their child to attend a private school. Reauthorized in 2011 by the Scholarships for Opportunity and Results (SOAR) Act, the program places a priority on serving students leaving…

This study examines the effects of Connected Mathematics Project 2 (CMP2) on grade 6 student mathematics achievement and engagement using a cluster randomized controlled trial (RCT) design. It responds to a need to improve mathematics learning in the Mid-Atlantic Region (Delaware, Maryland, New Jersey, Pennsylvania, and Washington, DC). Findings…

In this set of four supplemental tables, the authors compare the baseline test scores of the treatment and matched control group samples observed in each year after KIPP entry (outcome years 1 to 4). As discussed in Chapter III, the authors used an iterative propensity score estimation procedure to calculate each student's probability of entering…