A Police spokeswoman said it attended Te Kura o Tokomaru, at the request of ambulance, shortly after 11.30am where a pupil has sadly died.
The death has now been referred to the Coroner and there are no suspicious circumstances, they said.
"Police's condolences are with the family of the pupil and the wider school community at this time. Support is being offered to those at the school as required."
Ministry of Education Katrina Casey said it is aware of the incident and its Traumatic Incident Team are supporting the school.
"Our heartfelt thoughts are with the school staff and community," the deputy secretary sector enablement and support said.
"The family and school have asked for privacy at this time."
In its last ERO report in January, the school had a roll of 30 students.
Tokomaru Bay is a small beachside community located on the East Coast, 91km north of Gisborne.
The Principal of the school is John Kururangi. He has been unable to be reached for comment.