In 2014-2015, 45 states let go of old testing models and opted for new Common Core-aligned exams. In that year, 18 states used Smarter Balanced and 11, plus the District of Columbia, used Partnership for Assessment of Readiness for College and Careers.

Education Week’s 3rd annual survey of state tests found a more stable environment nationwide for the 2016-2017 school year. 28 states have since switched to other tests besides the aforementioned exams. At the high school level, 25 states require students to take the ACT or SAT. 12 of those states use the college entrance exams for federal accountability measures.

Two fewer states than last year (12) require high schoolers to pass a test to qualify for their diplomas. In most cases, it is a standardized test. Occasionally portfolio presentations are accepted instead.

For more information, visit Education Week.