VERB 废除(地区、机构或服务等)的种族隔离 To desegregate something such as a place, institution, or service means to officially stop keeping the people who use it in separate groups, especially groups that are defined by race.
...efforts to desegregate sport... 为废除体育领域的种族隔离所作的努力
The school system itself is not totally desegregated. 教育体系本身并没有完全废除种族隔离。