The Mount Union Area School District serves families across roughly 151 square miles of Huntingdon and Mifflin counties.
Kistler Elementary (K-2), Shirley Township Elementary (3-5), Mount Union Area Junior High (6-8), and Mount Union Area Senior High (9-12), along with the Academy for Customized Learning and a partnership with the Huntingdon County Career & Technology Center.
Mount Union's competitive marching band has performed in the New York City Veterans Day Parade and the Washington, D.C. Centennial Parade. Darkhorse Percussion, the county-wide indoor drumline once based here, has claimed six Atlantic Coast Championships.
Mount Union's first schoolhouse was built in the fall of 1839 by John Querry of Hares Valley, on the road to Shirleysburg; it stood until it burned down around 1861 (Welch 1909-1910, printed p. 296).
Mount Union's first School Board was chosen in 1867. The present-era school building was erected in 1871 with four rooms, growing to ten rooms by 1909 as enrollment climbed toward 470 pupils (Welch 1909-1910, printed pp. 298–300).