Post-Primary Education
Bishop William Crean (Bishop of Cloyne) is the school patron or co-patron of the following 28 post-primary schools:
| Name of School | Type, Trustee |
| Coláiste Ghobnatan Baile Mhic Íre | Designated Community College |
| Scoil Mhuire gan Smál, Blarney | Voluntary, Cloyne |
| Coláiste Mhuire, Buttevant | Designated Community College |
| St. Aloysius College, Carrigtwohill | Voluntary, Le Chéile |
| St. Mary’s, Charleville | Voluntary, CEIST |
| CBS Charleville | Voluntary, ERST |
| Coachford College | Designated Community College |
| Coláiste Muire, Cobh | Voluntary, Presentation |
| Carrignafoy College, Cobh | Cork ETB |
| Nagle Rice, Doneraile | Voluntary, ERST |
| St. Colman’s, Fermoy | Voluntary, Cloyne |
| Coláiste an Chraoibhín, Fermoy | Cork ETB |
| Loreto Secondary, Fermoy | Voluntary, Loreto Trust |
| Coláiste Treasa, Kanturk | Cork ETB |
| Scoil Mhuire, Kanturk | Voluntary, CEIST |
| McEgan College, Macroom | Cork ETB |
| St. Mary’s Macroom | Voluntary, CEIST |
| De la Salle College Macroom | Voluntary, Cloyne |
| Davis College, Mallow | Cork ETB |
| Patrician Academy, Mallow | Voluntary, Cloyne |
| St. Mary’s, Mallow | Voluntary, CEIST |
| CBS Midleton | Voluntary, CEIST |
| St. Mary’s High School, Midleton | Voluntary, CEIST |
| St. Colman’s, Midleton | Cork ETB |
| Presentation, Mitchelstown | Voluntary, Ceist |
| St. Fanahan’s, Mitchelstown | Cork ETB |
| CBS Mitchelstown | Voluntary, ERST |
| Pobalscoil na Tríonóide, Youghal | Community School |