In 1987, parents and teachers from diverse neighborhoods of a local school district in New York (New York) founded the Bronx New School, a small public elementary school of choice that was meant to be learner-centered, with high standards for all. The school was organized into heterogeneous, multi-age classes and structured to encourage…

The Comprehensive Early Childhood Education Network (CECEN), established in 1971, had three main components: (1) information dissemination at the district level, (2) district training plans for parents, teachers and administrators, and (3) monitoring reports from each district on the effectiveness of its activities. A fourth component, the…