This observational study involved literacy and mathematics instruction of 145 teachers in grades 3 through 5 in 20 low-income schools enrolled in the U.S. government's Comprehensive School Reform (CSR) Demonstration program. Observed curriculum and instructional practices were primarily and coherently focused on acquisition of basic facts and…

In this article we examine student performance on mandated tests in grades 3, 4, and 5 in one state. We focus on this interval, which w e term "the fourth grade window," based on our hypothesis that students in grade four are particularly vulnerable to decrements in achievement. The national focus on the third grade as the critical…