The special occasion marked the beginning of the final year for the senior pupils.
As well as being a glamorous night out, with everyone dressed to impress, the formal celebrated friendships, hard work, and the journey the pupils have taken together.
Photographer Tony Hendron dropped in to the pre-formal reception at the school on Friday afternoon to capture these memorable moments.
1. Formal occasion
Pictured at the pre-formal reception are from left, Myla Conaty, Mollie Bently and Shona McAndrew. PT38-236. Photo: TONY HENDRON
2. Formal occasion
Looking smart as they headed off to the St John the Baptist's College Year 12 formal are from left. Oisin McConville, Brian Berry and Lukas Zincenko. PT38-221. Photo: TONY HENDRON
3. Formal occasion
Morgan Shaw, centre, pictured at the formal reception with her sister, Rhiannon O'Neill and mum, Catriona Shaw. PT38-222. Photo: TONY HENDRON
4. Formal occasion
Dressed to impress at the St John the Baptist's College formal reception are from left, Lily O'Neill, Nikola Rozynek and Aoibheann McCann. PT38-223. Photo: TONY HENDRON