History
1956: Saint Bernard began as a regional Catholic high school under the jurisdiction of the Diocese of Norwich and was dedicated on Sept. 5, 1956, by the Most Rev. Bernard J. Flanagan, Bishop of Norwich.
1958: Saint Bernard opened as an all-girls' school in New London before instituting a co-educational program.
1967: The present Uncasville complex was opened as a separate all-boys' school along with Notre Dame, an all-girls' high school in Norwich.
1972: The schools of Saint Bernard, New London, Notre Dame, Norwich, and Saint Bernard Boys' High School, Uncasville, merged into one co-educational program on the Uncasville campus.
1997: Saint Bernard Academy was founded for grades 6 through 8 and encompassed an upstairs wing of the high school.
2006: The Most Rev. Michael R. Cote, D.D., Bishop of Norwich, announced a new administrative structure to unite Saint Bernard High School and Saint Bernard Academy under the name of Saint Bernard School on Aug. 17, 2006.
2011: Saint Bernard was welcomed into the Xaverian Brothers Sponsored Schools (XBSS) network of schools, becoming co-sponsored by the Diocese of Norwich and the Xaverian Brothers.
2023: The school building and the land it sits on was purchased by the Mohegan Tribe, which leases the property to SBS for $1 per year.