Holy Cross School is a high school, middle school, andprimary school serving grades pre-K through 12 founded in 1849 by the Congregation of Holy Cross in New Orleans, Louisiana. The main founder of Holy Cross is Blessed Father Basil Moreau, who was beatified on September 15, 2007. Holy Cross High was originally named St. Isidore's College. Holy Cross School is located in the Roman Catholic Archdiocese of New Orleans.