International studies suggest that the U.S. ranks below many Asian and European countries in the 21st century in terms of mathematics and science achievement. Few have looked beyond the classroom to understand these differences. Absolute and relative time spent in various out-of-school time (OST) activities may provide one explanation. This study…

The investigation reported in this bulletin was undertaken for the purpose of making available a volume of evidence on questions concerning the early elimination of children during out-of-school hours. The inquiry was confined to the children of sixth, seventh, and eighth grades. Information concerning the following points has been presented: (1)…