Montgomery County's inclusionary zoning policy improves student outcomes. Located just outside of Washington, DC, Montgomery County is home to the oldest continuously operating inclusionary zoning program. Begun in 1974 to address the need for workforce housing, the policy requires housing developers to set aside 12 percent of new homes at below-market rates and allow the public housing authority to purchase a portion of these units. In 2018, the county began to require developers to set aside at least 15 percent of homes in affluent neighborhoods. The policy has generated over 15,000 affordable housing units and resulted in thousands of low-income children attending low-poverty schools in their neighborhoods. Evaluations find that the students who attend these schools show significant improvements in school achievement compared to their counterparts in moderate- to high-poverty schools, demonstrating how good housing policy is good school policy. Learn more.