any, differentiate teachers with high impact on student achievement in middle school English Language Arts from those with …

opening of a nearby charter school. While I find small effects on turnover overall, difficult to staff schools (low …

The charter school movement is nearing its 25th anniversary, making this an opportune time to take stock of the …

Starting in the 2013-2014 school year, I conducted a randomized field experiment in fifty traditional public elementary …

disadvantaged neighborhoods and serve students who are substantially poorer than the average public school student in New York City … and their effects on achievement. The policy with the most notable and robust association is a long school year--as long …

coeducational to single-sex. I exploit these conversions to identify the causal effect of single-sex schooling holding other school … national exams and are four percentage points more likely to complete secondary school. There are also important non …

This study examines the impact on student achievement of high-dosage reading tutoring for middle school students in New … York City Public Schools, using a school-level randomized field experiment. Across three years, schools offered at least …, vocabulary review, and group discussion. We show that, at the mean, tutoring has a positive and significant effect on school …

the world. This paper describes a school-based randomized trial in over two-hundred New York City public schools designed …

involving 66 mathematics teachers in four school districts and test the validity of all three types of measures. Specifically …