Launched in 2012, The Big Lift is a collective impact initiative extending from preschool to third grade that aims to boost children's reading proficiency in San Mateo County, California, through four different types of activities, called "pillars": (1) High-Quality Preschool, (2) Summer Learning, (3) School Attendance, and (4) Family…

Black girls represent a unique subpopulation of science learners. Black girls are unique because they consistently outperform Black boys in science. Despite this trend, Black girls often face dual marginalization in STEM classrooms and professions. Racial and gender marginalization can inhibit the success of Black girls in science if researchers,…

The present paper describes the recruitment and site selection process that has been underway since January 2011, with particular emphasis on the use of Mahalanobis distance score to determine matched pairs of sites prior to randomization to treatment and control groups. Through a systematic winnowing process, the authors found that they could…

This guide is designed to help researchers make sure that their research reports include enough information about study measures so that readers can assess the quality of the study's methods and results. The guide also provides examples of write-ups about measures and suggests resources for learning more about these topics. The guide assumes…

School effectiveness indices (SEIs), based on regressing test performance onto earlier test performance and a socioeconomic status measure, were obtained for eight subject-grade combinations from 485 South Carolina elementary schools. The analysis involved school means based on longitudinally matched student data. Reading and mathematics…

Statewide minimum competency testing programs have emphasized basic skills in reading, mathematics, and writing. However, continuing concerns are expressed in national reports about the level of achievement, particularly in mathematics and science, and increased testing has been suggested as a means of encouraging curriculum change and evaluating…

Using a nationally representative database of students in grades one through six, this study estimates the effects of number of parents and maternal working on children's school-related achievement. Achievement scores are lower for children from one-parent than from two-parent homes. The effect appears to work primarily through the lower income of…