Randomized controlled trials show a sizable increase in students' math achievement, sustained through the end of 11th grade.
Randomized controlled trials show sizable effects on reading and math achievement of elementary and middle school students two to three years after random assignment.
Randomized controlled trials show a sizable impact on math achievement, sustained through the end of eighth grade.
Randomized controlled trial shows a sizable increase in the four-year high school graduation rate and scores on New York Regents tests required for graduation.
Randomized controlled trial shows a sizable increase in the rates of four-year high school graduation and receipt of a New York State Regents diploma.
Randomized controlled trial shows a sizable increase in the rates of both high school graduation and college graduation.
Randomized controlled trial shows a sizable increase in students’ reading achievement three years after random assignment.
Randomized controlled trial shows sizable positive impacts on reading ability for students with poor phonological processing (e.g., letter naming, and awareness of the sounds within words).
Randomized controlled trial shows positive impact in raising school-wide reading achievement in grades K-2; however, key effects were not reproduced in a second trial.
Randomized controlled trial shows a sizable positive impact on students’ reading ability.
Randomized controlled trial shows a sizable reduction in substance use, and sizable increases in high school graduation and college enrollment rates.
Randomized controlled trials show a sizable decrease in students’ dropout rates, and increase in attendance and academic credits earned.