3 percentage point increase in math with professional learning Passing rates increased 3 to 4 percentage points for Chicago Public Schools middle schoolers when their teachers participated in extensive professional learning around the Common Core State Standards, according to a study by the Chicago Consortium for School Research. The professional learning, which included coaching, professional learning communities, and workshops, had a larger impact on teachers’ instruction and student learning than adopting a recommended math curriculum or using resources in the district’s online Knowledge Center. Math grade point averages increased by about 0.13 points more in schools with extensive professional learning than schools with limited professional learning, and math course pass rates increased, especially for students with low baseline test scores. A combination of workshops and