Jennifer Mieth, a spokeswoman for the state Fire Marshal’s Office, said the cause of the fire has not been determined, but it appears to be intentionally set.
She said school fires are not uncommon. In 2015 there were 149 school fires. The majority of which were cooking related, but many were also set fires.
“Most of them were small,” said Mieth. “Although all fires start small.”
Hopkinton Public School Superintendent Cathy MacLeod said school administrators spent the day going from classroom to classroom explaining what occurred. She said the goal was to both make the students comfortable at the school, as well as to prevent the spread of rumors