/school-choice-charters/charter-schools-at-25/2016/06/00000175-d376-d942-a3f5-dffef1390002 In 1991, Minnesota passed the country's first charter school law. Since then, the charter sector has expanded exponentially. en-US 2021 (c) 91制片厂视频 Week Fri, 07 May 2021 16:18:10 GMT