Knowledge is Power Program Delta College Preparatory School (KIPP DCPS), an open-enrollment charter school,1 opened in 2002 in Helena, Arkansas. KIPP DCPS students have consistently outperformed their peers from neighboring districts on year-end student achievement scores, and KIPP's national reputation led Arkansas lawmakers to exempt KIPP from…

The purpose of this qualitative study was to examine the 7th grade reading performance among a random sample of urban public school academies (charter schools) in Wayne County, Michigan, compared with a random sample of traditional urban public schools within the same geographic area. This study was conducted using the fall 2012 Michigan…

Khan Academy is a large and popular open educational resource (OER) with little empirical study into its impact on student achievement in mathematics when used in schools. In this study, we examined the use of Khan Academy as a mathematics intervention among seventh grade students over a 4-week period versus a control group. We also compared…

Skeptics of the KIPP (Knowledge Is Power Program) charter school network argue that these schools rely on selective admission, attrition, and replacement of students to produce positive achievement results. We investigate this using data covering 19 KIPP middle schools. On average, KIPP schools admit students disadvantaged in ways similar to other…

The study examined the effect of 60 New Jersey charter schools on annual student achievement growth in reading and math. The study was based on data from a large sample of students in grades 3-8 during 5 school years (2006-07 through 2010-11). The study authors matched charter school students to students attending traditional public schools based…

The Kauffman School is a public charter school that serves students from low-income neighborhoods in Kansas City, Missouri. This paper used a matched comparison group design to estimate the impacts of the Kauffman School on student achievement, attendance, and suspensions. We found that the Kauffman School had positive and statistically…

Randomized controlled trials (RCTs) are widely considered to be the gold standard in evaluating the impacts of a social program. When an RCT is infeasible, researchers often estimate program impacts by comparing outcomes of program participants with those of a nonexperimental comparison group, adjusting for observable differences between the two…

"Charter School Performance in New Jersey" examined whether students in grades 3-8 attending charter schools in New Jersey made more gains in math and reading achievement than similar students attending traditional public schools. Based on an analysis across charter schools, the authors reported that charter school students made…

As part of its ongoing efforts to raise the academic achievement of children from low-income families in Kansas City, Missouri, the Ewing Marion Kauffman Foundation founded the Ewing Marion Kauffman School in fall 2011. The Kauffman School's mission is "to prepare students to excel academically, graduate from college, and apply their unique…

The study reviewed here examined the effect of charter schools on annual student achievement growth in reading and math in 25 states, the District of Columbia, and New York City. The study primarily used data on students in grades 3-8, but additional elementary and high school grades were included for several states. The authors reported that…

The study examined the effect of charter school attendance on annual student achievement growth in math and reading. The research described in this report is consistent with WWC evidence standards with reservations. Strengths: The study matched charter school students to similar students in traditional public schools using demographic and academic…

The general purpose of this five-year evaluation is to assess the effectiveness of Milwaukee's independent charter schools in promoting student achievement growth. Independent charter schools are authorized by nonschool-district entities and are considered "independent" because they are not a part of the Milwaukee Public School District…

The study examined the effect of charter school attendance on annual student achievement growth in math and reading. The research described in this report meets WWC evidence standards with reservations. WWC Rating Strengths: The study matched charter school students with similar students in traditional public schools using demographic and academic…

The study featured in this What Works Clearinghouse (WWC) Quick Review examined the effect of charter school attendance on annual student achievement growth in math and reading. The study analyzed data from a large sample of students in grades 4 through 9 in Indiana from 2004 to 2008. The study found that charter school students' annual math score…

This issue brief focuses on one particular report, released in September 2009, that has been widely cited by charter school advocates because it appears to show remarkable results. In the report, "How New York City's Charter Schools Affect Achievement," Stanford University professor Caroline Hoxby and her colleagues Sonali Murarka and…