The 15 year old became unwell at the school's gym in Clane yesterday.
He was taken to Crumlin Children’s Hospital where he passed away later that afternoon.
A post-mortem exam is due to take place which will determine the course of the Garda investigation.
Blessington Woman Running Dublin Marathon For Kidney Charity
Alana McMahon is raising money for the Irish Kidney Association that has supported her family since her father was left in kidney failure.
Wicklow Crèche Worker Awaits Sentenced For Child Cruelty
Gardaí were alerted when a dislocated elbow was noticed by the child's father.
Bray Barrister Called to the Inner Bar
Neasa Bird SC was formally called to the Inner Bar at a ceremony in the Four Courts recently.
Garda Patrols To Increase in Greystones and Delgany Ahead of Hallowe'en
It follows concerns about anti-social behaviour in Dr. Ryan Park, Archers Wood and surrounding areas.
Lara Gillespie Claims Silver at UCI Track Cycling World Championships
The Enniskerry rider still plans to go for gold, having missed out on a photo finish.
8:00pm - 10:00pm
Love Songs on the Coast
Light rain
High: 13°C | Low: 9°C
Light rain
High: 14°C | Low: 8°C
Light rain
High: 13°C | Low: 6°C
Light rain
High: 13°C | Low: 6°C
Light rain
High: 13°C | Low: 6°C