"Math Expressions" is a curriculum for students in prekindergarten through sixth grade that aims to build students' conceptual understanding of mathematics and to develop fluency in mathematical problem solving and computation. The curriculum encourages student learning of mathematics through real-world situations, visual supports such…

Schools are increasingly being leveraged as intervention points to address childhood trauma due to the well-established links between childhood trauma exposure and poor child well-being outcomes. However, although preschool-aged children experience higher rates of trauma, such as maltreatment and violence exposure, than their older counterparts,…

A quantifiable measure of teachers' intervention fidelity when delivering curriculum-based interventions allows researchers to interpret the effectiveness of the curricula under scrutiny. Fidelity measures, however, must accurately represent the critical components of an intervention to confirm that the intervention was delivered as intended and…

This brief is based on the 61-page report of the same name. This paper, commissioned by the Brookings Institution, studies the emergence of the mixed delivery model, in which pre-kindergarten is delivered in community-based settings and schools. It describes findings of a state survey CLASP conducted to understand the policy choices,…