Two students have reportedly been shot at a US high school.

The shooting happened at Graham-Kapowsin High School in the town of Graham in Washington state.

One student was found near the school's football field, the other in a locker room, according to the local Sheriff's office.

Both students were taken to local hospitals for treatment, according to the sheriff's office.

The shooting suspect fled the scene in a green car that might be a Chevrolet Impala, police said.