- B
- C
-
- Cashel Community School
- Castleblayney College
- Castlepollard Community College
- Chichester High School
- Cirencester College
- Clara National School - Kilkenny
- Clarin College Athenry
- Clubs
- Coachford College
- Coláiste Abbáin
- Coláiste Aoidh Mhic Bhricne, Teileann
- Coláiste Bhaile Chláir
- Coláiste Chiarán Croom
- Coláiste Éinde
- Colaiste Iosaef Kilmallock
- Coláiste Naomh Cormac
- Columba College Killucan
- Comeragh College
- E
- H
- M
- P
- R
- S
-
- Sacred Heart Catholic Academy
- Sacred Heart Catholic Secondary School
- Saint Macartan's College
- Saints Peter & Paul Catholic College
- Salesian College Pallaskenry
- Salesian College, Celbridge
- salesian school - staff
- Salvatorian College
- Scariff Community College
- Scoil an Droichid
- Scoil Bhríde, Mercy Secondary School
- Scoil Mhuire agus Íde
- Scoil Mhuire Kanturk
- Scoil na Tríonóide Naofa
- Scoil Padre Pio
- Scoil Ruain
- Selskar College Wexford
- SETU Carlow
- SETU Waterford
- Sgoil Ghàidhlig Ghlaschu
- Size Guide
- Size Guide
- St Brigid's College Loughrea
- St Colmcille's Crossgar
- St Columbanus' College
- St Conor's College Kilrea and Clady
- St Eoghan's Primary School
- St Eoghan's Primary School, Moneyneena
- St Gerald's College
- St John's Primary School
- St Joseph's Secondary School, Foxford
- St Louis Grammar School Kilkeel
- St Louis Grammar School, Ballymena
- St Malachy's High School, Castlewellan
- St Mary's Catholic High School
- St Mary's Macroom
- St Mary's University College Belfast
- St Marys PS Altinure
- St Patrick's Academy, Lisburn
- St Patrick's College Ballymena
- St Paul's High School Bessbrook
- St Peter's High School Gloucester
- St Peters Catholic College
- St Ronan's College, Lurgan
- St Teresa's Primary School
- St. Augustine's College
- St. Caimin's Community School
- St. Flannan's College
- St. John's Primary School, Kingsisland
- St. Joseph's College, Belfast
- St. Joseph's Convent Primary School, Newry
- St. Joseph's Grammar School, Donaghmore
- St. Joseph's Primary School, Bessbrook
- St. Joseph's Primary School, Carnacaville
- St. Laurence College
- St. Louis Secondary School Monaghan
- St. Malachy's Primary School Castlewellan
- St. Mary's High School Downpatrick
- St. Mary's Primary School, Rathfriland
- St. Mary's Secondary School, Newport
- St. Matthew's PS Magheramayo
- St. Nicholas Primary School - Ardglass
- St. Oliver Plunkett's Primary School, Forkhill
- St. Patrick's Grammar School, Downpatrick
- St. Patrick's High School Keady
- St. Patrick's P.S. Loup
- St. Patricks Academy Dungannon
- St. Patricks Catholic College
- St. Peter's College, Wexford
- St. Raphael's College, Loughrea
- Stourport High School & Sixth Form
- Stranmillis University College
- T
- U
-
- UCD GAA Dublin
- Ulster University
- Ulster University GAA
- Ulster University School of Sport
- University of Bradford
- University of Chester Athletics' Union
- University of Stirling Physical Education
- University of Strathclyde Rugby Club
- University of Sunderland
- University of the West of Scotland
- University of the West of Scotland - Division of Sport & Exercise
- University of the West of Scotland Physical Education