In another case, school officials in La Crosse, Wis., adjusted enrollment boundaries in the early 1990s to achieve a better socioeconomic balance between two local high schools.

• 另一实例是威斯康星州的拉克塞，主管教育的官员为了能在当地两所中学里达到一种更和谐的社会经济学平衡，在20世纪 90年代早期调整了入学条件。