It happened just after 8 a.m. in Moriches, on Montauk Highway east of Bay Point Drive, according to the Center Moriches Fire Department.
Emergency crews arrived to find three vehicles involved, including a school bus with 33 students on board. Photos from the scene show a white SUV with extensive rear end damage.
Medics evaluated all students and found that seven had suffered minor injuries, according to fire officials. They were taken to a local hospital for treatment. Officials did not elaborate on the nature of their injuries.
It was not immediately clear which school the students attend.
The other drivers were not injured and refused medical treatment.
Suffolk County Police are investigating what caused the crash.
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