St Louis Grammar School, Ballymena

The school was established in 1924, as the convent of nuns from the St. Louis Order opened their doors to local girls. In 1970 the first boys were admitted and it became co-educational.

Besides the GCSE core subjects of English/English Literature, Mathematics, Religious Education and Science the following optional GCSE subjects are offered to pupils in Key Stage 4: Further Mathematics, Art & Design, Business Studies, Construction, Design & Technology, Drama, French, Geography, History, Home Economics, Information & Communication Technology, Irish, Music, Physical Education and Spanish.

Post 16 pupils are offered a choice of 3 or 4 A-Levels.

In the 2018 Belfast Telegraph GCSE League Table, it was ranked joint first in Northern Ireland for its GCSE performance with 100% of its 2016/17 entrants receiving five or more GCSEs at grades A* to C, including the core subjects English and Maths.[1] In the 2019 League Table, it was ranked joint ninth with 99.3 of its GCSE entrants being awarded five or more a* to C grades.[2]

In 2019 it was ranked First among secondary schools in Northern Ireland in terms of its A-level performance for the 2017/18 academic year. A total of 95.4% of its students entered for A-Levels achieved a grade of A* – C.[3]

• Winners of Mageean Cup (Ulster Colleges' Senior Hurling Championship) 2015–16

• Michael Hughes – retired footballer and co-owner of NIFL Premiership side Carrick Rangers.
• Michael O'Neill – football manager and former professional footballer
• Tara McNeill – musician
• Daithi McKay – North Antrim MLA (2007–2016) and Commentator.
• Mark Cousins – Filmmaker and critic
• Ethan McNeill(2015–present) – Former President of Cargan and strong nationalist in support of Sinn Fein.