TST BOCES Mathematics Professional Development is a customized service for component school districts. Support focuses on implementation of the Common Core Learning Standards, using questioning and discussion techniques to engage learners, and using formative assessment as a tool to drive instruction. Other areas of support include developing and utilizing learning targets, effective models for deepening mathematical understanding, and understanding the progressions of math instruction. Aside from regional and district offerings, three different networks of teachers collaborate together throughout the year to improve their practice. They include K-8 Math Teacher Leaders, 9-12 Department Leaders, and district Math Coaches.