In 1987, New York's suburban Rockville Centre School District faced the fact that its longstanding tracking system was resulting in unequal educational opportunities and allowing racial and socioeconomic stratification of its student population. School leaders embarked on an ambitious program of reform: reexamining beliefs about intelligence, ability, and instruction, and offering all students the opportunity to study a rigorous curriculum in heterogeneous classrooms.

Introduction -- One District's story -- What tracking is and how to start dismantling it -- The curriculum process for leveling-up instruction -- The politics of detracking -- Professional development for equitable practices -- Teaching and learning in the heterogeneous classroom -- Maintaining the reform and pushing forward -- The essentials for excellence with equity.