The Press of Atlantic City obtained toxicology reports after filing an Open Public Records Act request with the New Jersey State Police.
Drug tests showed THC and carboxy in the blood of 17-year-old driver Casey Brenner and teenage passengers Edgar Bozzi and Dean Khoury.
Eight Mainland Regional High School players were in the vehicle when it crashed on the Garden State Parkway in August 2011. They were on their way to a team breakfast following the last practice of the summer.
The newspaper quoted an expert unaffiliated with the investigation who said the levels of those substances found in the bloodstream could lead to impairment.
Information from: The Record (Woodland Park, N.J.)