The car was then thrown from the overpass on Route 304 and crash-landed on NJ Transit train tracks down below, the Rockland/Westchester Journal News reported.
Saniha Cekic, 15, and Altin Nezaj, 17, who were passengers inside the Porsche, were transported to a hospital, where they were pronounced dead. Radoncic was hospitalized with serious injuries. The person driving the Volkswagen was not injured.
A witness in Pearl River told WABC-TV they heard a boom, then saw a fire at the scene of the accident.
"I screamed, 'Is there people in it?' And I heard this woman screaming 'Help me, help me,' and just screaming," the witness said. "It's terrifying when you can't actually pull them out of the car, I thought I was going to be able to pull them out of the car."
"When our school community experiences a tragedy, such as the loss of a young life, it impacts all of us," Superintendent Marco Pochintesta said. "Our thoughts and prayers are with the students and their families and friends at this incredibly difficult time."