During a regular free writing time in class, children in Kindergarten through sixth grade in various areas of the city were given the writing prompt,"My dreams for the world". Writing samples were collected from an elementary school in an affluent area of the city, an elementary and a middle school in a low socio-economic area, and an…

Given that previous findings on the social distribution of the effects of small classes have been mixed and inconclusive, in the present study I attempted to shed light on the mechanism through which small classes affect the achievement of low- and high-achieving students. I used data from a 4-year, large-scale, randomized experiment (project…