First Indiana, Oklahoma, Kentucky, and Minnesota.
As reported by Education Week, State Online Testing Problems Continue to Raise Concerns. http://www.edweek.org/ew/articles/2013/05/03/30testing.h32.html?r=946252590
The Washington Post reports that Fairfax County Schools (Virginia) acknowledged “significant problems” administering the state standards of learning tests. In one of the nation's largest school districts, thousands of the 41,975 tests administered on Thursday alone are affected and results called into question.