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.
Pride Of A County - Comeback Kings Wicklow Overcome 12-Point Mountain To End Wait For National Glory
No Changes To Starting Team As Wicklow Football Yearns For Historic Croker Triumph
Wicklow Braced Once More As Coillte Signal Orange Fire Warning
Wicklow Boss Targets Tailteann Cup Glory As Down Challenge Looms At Croke Park
Wicklow TD Calls For Straw Incorporation Funding For Struggling Tillage farmers