Notre Dame Academy was first established in 1874 as a Catholic grade school with an initial class of seven students. The school offered kindergarten through eighth grade plus a two-year commercial school. A school building on Fifth Street was dedicated on July 26, 1876. The school expanded to include a high school program in 1906. In 1937, the elementary school program was discontinued due to growing enrollment in the high school. By the 1950s, the school had outgrown its downtown Covington location and Notre Dame Academy moved to nearby
Park Hills. The new campus, on the grounds of the Sisters of Notre Dame provincial house, cost nearly $ to build (equivalent to $ in ). It opened in October 1963. In 1996, Notre Dame Academy completed a $ project (equivalent to $) to renovate and expand the school building, adding a gymnasium. The school began another renovation and expansion project in 2007, which added athletic fields and a theater. In 2019, Notre Dame Academy completed a $ capital campaign to renovate its 20th-century building. == Academics ==