St Stanislaus is the oldest school located in the Diocese of Biloxi. It is operated as an independant institution by the Brothers of the Sacred Heart. It is in turn their oldest existing educational establishment n America.

It is located in downtown Bay St. Louis, next to Our Lady Academy and Holy Trinity Catholic Elementary.

The principal is Mr. Gary Blackburn. The president is Brother Barry Landry, S.C.

Their website is http://www.ststan.com