Students at Central Hawke's Bay College in Waipukurau were evacuated after a fire in the college's drama room.
Firefighters were called to the fire at CHB College on Tavistock Rd, Waipukurau, about 10.31am on Monday.
A Fire and Emergency NZ spokeswoman said the "small" fire had been confined to a single five-metre by three-metre room.
Principal Lance Christiansen said the fire began in a wall cavity in the drama room within the college's hall.
"There was minimal damage to the building," he said. "Students and staff evacuated successfully as per our normal procedures."