Mathematica Research on KIPP Schools
In 2007, KIPP commissioned independent
research firm Mathematica Policy Research to conduct a multi-year study of our
schools. We wanted to find out whether we were truly fulfilling our promises to
students and families, and to make that information publicly known.
Mathematica’s most recent report,
released in 2015, examines KIPP’s K-12 impacts as well as our middle school
impacts over time, in conjunction with our federal Investing in Innovation (i3)
Scale-Up Grant. The first two reports, released in 2010 and 2013, examine
impacts of KIPP middle schools.
Mathematica 2013 Report
KIPP Middle Schools: Impacts on Achievement and Other Outcomes
Released February 2013
In 2013, Mathematica released the second
report from their multi-year study of KIPP middle schools. This report looks at KIPP’s middle school impacts on student
achievement and other outcomes, while also addressing prevalent myths around
KIPP’s enrollment practices, attrition, and parental motivation.
middle schools have positive and statistically significant impacts on student
achievement across all years and all subject areas examined. According to
a matched comparison design study, KIPP students showed gains in math, reading,
science, and social studies on state assessments. This finding confirms
that we have been able to maintain the quality of our middle schools as we have
expanded our network.
magnitude of KIPP’s achievement impacts is substantial. Across all grade levels
and subjects studied, KIPP’s achievement impacts are large enough to be
matched comparison design produces estimates of KIPP’s achievement impacts
similar to estimates of the same impacts based on an experimental,
lottery-based design. Researchers found that KIPP’s achievement gains are
similar for the matched comparison design and the experimental lottery
analysis--demonstrating that parental motivation cannot explain our student’s
the lottery sample, average KIPP impacts on a nationally normed test that
includes items assessing higher-order thinking skills were similar to impacts
on high-stakes state tests. For students in the lottery sample, gains on the
national norm referenced test mimicked those on state tests.
Open Letter from Richard Barth, CEO KIPP Foundation
"Mathematica 2013 Study: KIPP Charter School Students Outperform Public School Peers"
Huffington Post, February 2013
"KIPP Schools Boost Academic Performance, Study Finds"
Education Week, February 2013