Mount Aviat Academy is a Roman Catholic independent, co-educational school, located in Childs, Maryland, United States.

It is run independently within the Roman Catholic Diocese of Wilmington and is operated under the direction of the Oblate Sisters of St. Francis de Sales.

[4] In 1950, with the support of their brother Oblates of St. Francis de Sales, Sister Bertha Gonzaga and her companions journeyed from France to begin a new ministry.

In 1952, the sisters converted the donated Cecil County Almshouse and established their convent, naming it “Villa Aviat”.

In 1960, the sisters established an all-girls' boarding high school, naming it Mount Aviat Academy, which operated until 1972, with its last graduating class.