This article uses data from Ohio, a state that allows a wide range of organizations to authorize charter schools, to examine the relationship between type of authorizer and charter-school effectiveness.

Previous charter school research has shown mixed results for student achievement, which could be the consequence of different policy environments or methodological approaches with differing assumptions across studies. This analysis discusses these approaches and assumptions and estimates effects...

This article analyzes the relationship between charter high school attendance and educational attainment in Florida and Chicago. Students who attended a charter middle school and went on to attend a charter high school were 7 to 15 percentage points more likely to earn a standard diploma than...

This article measures the achievement impacts of 41 Knowledge Is Power Program (KIPP) charter middle schools nationwide and found consistently positive and statistically significant test-score effects in reading, math, science, and social studies.

Teacher value-added models (VAMs) must isolate teachers’ contributions to student achievement to be valid. Well-known VAMs use different specifications, however, leaving policymakers with little clear guidance for constructing a valid model.

This article measures the achievement impacts of 41 Knowledge Is Power Program (KIPP) charter middle schools nationwide and found consistently positive and statistically significant test-score effects in reading, math, science, and social studies.

Previous charter school research has shown mixed results for student achievement, which could be the consequence of different policy environments or methodological approaches with differing assumptions across studies. This analysis discusses these approaches and assumptions and estimates effects...

This article analyzes the relationship between charter high school attendance and educational attainment in Florida and Chicago. Students who attended a charter middle school and went on to attend a charter high school were 7 to 15 percentage points more likely to earn a standard diploma than...