Recognizing the critical importance of early literacy, the Council of Chief State School Officers (CCSSO) and the Center on Enhancing Early Learning Outcomes (CEELO) have both worked intensively with states on birth through third grade improvement strategies across literacy and other learning domains. Third grade reading laws are one strategy that…

Few questions in public education discourse benefit as much from research-based evidence as the question of class size--the pursuit of the ideal number of students that should be co-located for any particular period of instruction. But for policymakers, research on class size can be an embarrassment of riches, and much of the research appears to…

The Council of Chief State School Officers (CCSSO) is working to respond to increased interest in the use of growth models for school accountability. Growth models are based on tracking change in individual student achievement scores over multiple years. While growth models have been used for decades in academic research and program evaluation, a…