Missouri education chief resigns amid controversy over A-F ratings for public schools St. Louis Public Radio 16:35 Wed, 21 Oct
Missouri plan to grade schools A-F moves quicker than expected; Interim education commissioner resigns KFVS12 23:31 Tue, 20 Oct
Texas Democrat who championed A-F trigger law says he’s trying to fix schools The Texas Tribune 01:36 Sat, 26 Sep
