Alignment of academic content for grades PreK-3 is considered important among practitioners, policymakers, and educational researchers alike. However, surprisingly little is known about the extent to which alignment across grades, even within schools or districts, actually exists. Using classroom observations and curriculum analysis, we examined the alignment of three widely used elementary math curricula across grades PreK-3. While we found that content is generally aligned across grades, instructional environments and pedagogical practices may not be. Kindergarten in particular, may be...
