It was founded in 1967 by the Congregation of Christian Brothers to serve the needs of the Ballyroan and adjacent parishes.

The Irish Christian Brothers handed over ownership of Coláiste Éanna to the Trust in 2008.

[citation needed] Subjects taught in the school include Accounting, Art, Biology, Business Studies, Chemistry, Computer Studies, CSPE, Design and Communication Graphics, Economics, English, Irish, French, Spanish, Geography, Graphics, History, Material Technology, Mathematics, Music, Physical Education, Physics, Religion, Science, SPHE, and Technical Graphics.

Extra curricular activities include Hurling, Gaelic football, Soccer, Basketball, Golf, Table Tennis, athletics, theatre and drama, music and choir, debating, European Youth Parliament, chess, bridge, martial arts.

[citation needed] Coláiste Éanna is named after St Enda's School or Scoil Éanna which was founded by Patrick Pearse in 1908 and located in the Hermitage, Grange Road which is 1 km (0.62 mi) from the campus.