Walsh School, Cumberland Calvert Hall College (high school), Baltimore / Towson Cristo Rey Jesuit High School, Baltimore Loyola Blakefield, (formerly Loyola High School), Baltimore / Towson Maryvale Preparatory School, Brooklandville Mercy High School, Baltimore Mount de Sales Academy, Baltimore / Catonsville Mount Saint Joseph College (high school), Baltimore / Irvington Notre Dame Preparatory School, Baltimore / Towson Our Lady of Mount Carmel High School, Baltimore Our Lady of the Rosary High School, Baltimore St. Frances Academy, Baltimore St. John's Catholic Preparatory, Buckeystown/ Frederick County (formerly St. John's Literary Institution, Frederick city), St. Maria Goretti High School, Hagerstown, St. Mary's High School, Annapolis The Catholic High School of Baltimore, Baltimore The John Carroll School, Bel Air Churches Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary (old Baltimore Cathedral / Cathedral of the Assumption of Mary), Baltimore, Maryland Basilica of the National Shrine of St. Elizabeth Ann Seton, Emmitsburg, Maryland Ecclesiastical province Diocese of Arlington Diocese of Richmond Diocese of Wheeling-Charleston Diocese of Wilmington See also Historical list of the Catholic bishops of the United States List of the Catholic dioceses of the United States List of Roman Catholic archdioceses (by country and continent) List of Roman Catholic dioceses (alphabetical) (including archdioceses) List of Roman Catholic dioceses (structured view) (including archdioceses) References External links Baltimore Christianity in Baltimore Catholic Church in Maryland Baltimore Religious organizations established in 1789 1789 establishments in Maryland