Sixth graders Zoe and Amoni, right, work together during Kelly Woodfin’s advanced math class in Union Public Schools. The Tulsa-area school district for about a decade has tried to increase enrollment ...

Black and Hispanic students are less likely to be placed in advanced math classes than white and Asian students in the San Diego Unified School District. Meanwhile, students from low-income families ...

This story about math equity was produced by The Hechinger Report, a nonprofit, independent news organization focused on inequality and innovation in education. Sign up for the Hechinger newsletter.