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Achilles, Charles M. – NCPEA Publications, 2012
This brief summarizes findings on class size from over 25 years of work on the Tennessee Student Teacher Achievement Ratio (STAR) randomized, longitudinal experiment, and other Class-Size Reduction (CSR) studies throughout the United States, Australia, Hong Kong, Sweden, Great Britain, and elsewhere. The brief concludes with recommendations. The…
Descriptors: Grade Repetition, Class Size, Small Classes, Dropout Rate
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Konstantopoulos, Spyros – Elementary School Journal, 2009
The study reported in this article investigated the differential effects of teachers on female, minority, and low-socioeconomic-status (SES) students' achievement. I used data from a 4-year, large-scale, randomized experiment (Project STAR) that was conducted between 1985 and 1989 in Tennessee, in which students and teachers were randomly assigned…
Descriptors: Teacher Effectiveness, Academic Achievement, Achievement Tests, Disadvantaged Youth
Lipsey, Mark W.; Farran, Dale C.; Hurley, Sean M.; Hofer, Kerry G.; Bilbrey, Carol – Society for Research on Educational Effectiveness, 2009
This research investigated the effects of two contrasting pre-k curricula, relative to practice as usual, on subsequent academic achievement. One curriculum had a strong literacy focus, the other was a less didactic "developmentally appropriate" curriculum that allowed children to have more influence on classroom activities. The purpose…
Descriptors: Class Activities, School Readiness, Learning Activities, Economically Disadvantaged