The earliest recorded school in this area was held at the home of pioneer settler John O'Byrne. In 1888, a public school opened with J.H. Sheppard as the teacher. The first half of the 20th century brought much growth for Union Grove schools, including the creation of Union Grove Common School District No. 42 in 1907, the construction of new buildings in 1909, 1920, and 1933, and the 1930s oil boom, which greatly increased the district's tax base and population. Over the years, the Union Grove school campus expanded to include elementary, Junior and Senior high schools, an auditorium, cafeteria, library, shop buildings, and a football stadium. In 1965, Union Grove became an Independent School District.