"Police are working closely with the school involved and enquiries are ongoing."
The Ministry of Education were supporting the school.
"We have been supporting Browns Bay School following an alleged incident on April 6 involving a student," said spokeswoman Katrina Casey.
"Our response teams support schools following incidents that can potentially disrupt school life. They help restore day-to-day routines and we will continue to offer support to Browns Bay School as long as is necessary."