The Center for the Study of Mathematics Curriculum (CSMC) is funded by the National Science Foundation (Award No. ESI-0333879). The CSMC serves the K-12 educational community by focusing scholarly inquiry and professional development around issues of mathematics curriculum. Major areas of work include understanding the influence and potential of mathematics curriculum materials, enabling teacher learning through curriculum material investigation and implementation, and building capacity for developing, implementing, and studying the impact of mathematics curriculum materials.