MURFREESBORO, Tenn. — Middle Tennessee State University’s Board of Trustees on Tuesday raised tuition and fees by 1.78% for the 2021-22 academic year — but still remains the lowest-priced among the state’s three largest universities.The action translates to an extra $168, from $9,424 to $9,592 a year, for in-state undergraduates taking a full-time load of 15 credit hours per semester for fall and spring.MTSU, which did not raise tuition in 2020-21 due to the pandemic ...