"In Brief" focuses on K-12 mathematics and science research and implications for policymakers, educators, and researchers seeking to improve student learning and achievement This brief highlights the learning gains of 240 elementary students involved in a long-term study in Madison, Wisconsin and their remarkable ability to reason with arithmetic…

The articles in this journal issue reflect the theme of "passages." Five articles contain teachers' reflections and descriptions of the following forms of passage: (1) passing from the classroom to motherhood and back again; (2) passing from academe to the world of work--the retraining of literature professors; (3) ways in which students gain…