School Location Outright Titles Shared Titles Runners-Up Total Finals Last Title Last Final
Methodist College Belfast Belfast 35 2 25 62 2014 2014
Royal Belfast Academical Institution Belfast 29 4 21 54 2007 2013
Campbell College Belfast 23 4 12 39 2011 2011
Coleraine Academical Institution Coleraine 9 0 24 33 1992 1998
The Royal School, Armagh Armagh 9 0 3 12 2004 2004
Portora Royal School Enniskillen 6 1 5 12 1942 1942
Bangor Grammar School Bangor 5 0 4 9 1988 1995
Ballymena Academy Ballymena 3 0 6 9 2010 2010
Rainey Endowed School Magherafelt 2 1 2 5 1982 1982
Foyle College Londonderry 2 0 4 6 1915 1915
Belfast Royal Academy Belfast 1 3 5 9 1997 2010
Regent House Grammar School Newtownards 1 1 2 4 1996 2008
Royal School Dungannon Dungannon 1 0 4 5 1907 1975
Annadale Grammar School (now Wellington College) Belfast 1 0 1 2 1958 1978
Ballyclare High School Ballyclare 1 0 1 2 1973 2012
Belfast Boys' Model School Belfast 1 0 0 1 1971 1971
Grosvenor High School Belfast 1 0 0 1 1983 1983
Wallace High School Lisburn 0 0 4 4 N/A 2007
Derry Academy Derry 0 0 2 2 N/A 1896
Dalriada School Ballymoney 0 0 1 1 N/A 1993
Galway Grammar School Galway 0 0 1 1 N/A 1887
Lurgan College Lurgan 0 0 1 1 N/A 1934
Omagh Academy Omagh 0 0 1 1 N/A 1985
Sullivan Upper School Holywood 0 0 1 1 N/A 2014