About: Oldenburg Academy of the Immaculate Conception

Oldenburg Academy of the Immaculate Conception is a private, Catholic high school in Oldenburg, Indiana. The School was founded in 1851 by the Sisters of St. Francis in Oldenburg. Mother Teresa Hackelmeier began the school, and during a harsh winter boarding began at Oldenburg Academy. In 1986, the enrollment was up to 117. Oldenburg Academy received its commission as a high school in 1910. In the 1940s, great changes occurred: the school moved to being a high school only and moved away from the elementary level. Later, the Sisters relinquished control of the academy and in 1994, Oldenburg Academy incorporated and began control by a board of trustees. The boarding program ended at the end of the 1998–1999 school year. And young men were admitted beginning in the fall of 2000. In 2020 the a