 A variety of independent and sectarian schools exist in Tulsa , also . Most , but not all , of the private schools have religious affiliations with various Christian , Jewish or Muslim denominations . The Catholic Diocese of Tulsa supports a system of parochial and diocesan schools , including Bishop Kelley High School , administered by the <unk> ( French Christian Brothers ) . Another Catholic high school , Cascia Hall Preparatory School , is administered by Augustinians . Holland Hall School is independent but historically affiliated with the Episcopal Church . <unk> Country Day School is non @-@ sectarian . 
