He left behind good friends in the school community, the statement said.
"George was eager to find his way in the world and to do the best he could.
"He was respected among his peers and had a positive outlook on life.
"He got on with everyone."
The statement said George had enjoyed taking part in pipe band drumming and was a talented First XI Football member who showed maturity and natural leadership.
"Timaru Boys' is offering support to boys and staff and working with George's family to help where it can.
"It is sad that such a promising young life has ended."