Its trucks have been in seven crashes in the last two years, none of them fatal, according to FMCSA.
Mount Olive Mayor Rob Greenbaum, who saw the aftermath of the highway crash from an overpass, described the scene as "horrific". A picture showed a red dump truck stopped at the accident scene. Some of those patients are critical, according to Murphy. Students screamed and some were left "hanging from their seat belts", he said.
The names of the teacher and student killed in the Interstate 80 crash were not released. At least one person died in the accident and several others are injured. The driver of the dump truck was hurt.
Multiple people were injured in the collision, though it was not immediately clear how many.
The front of the bus was mangled and the vehicle was missing its wheels. Saying "we're thankful to God that everything was OK" with his child, he added, "I hope the other kids are OK".
"Everybody's trying to make sense of this", Murphy said.
Officials say the additional buses that were traveling with students to Waterloo Village were returned to the school and each student has been reunited with his or her parents.
Robinson said the district was cancelling school trips for the rest of the year.
The cause of the accident is being investigated by the New Jersey State Police and the Morris County prosecutor's office. Mount Olive township confirmed to a local paper that students from their district were not involved.
"Our hearts are broken by today's tragedy", he said over Twitter.
A student and an adult chaperone are dead following a school bus crash in New Jersey, NBC News 4 has reported, citing sources familiar with the investigation.
This image taken from WABC-TV video shows an overturned school bus after it collided with a dump truck, injuring multiple people, on Interstate 80 in Mount Olive, N.J., Thursday, May 17, 2018.
Another parent, Kathy Lafaso said, "It's a terrible scene", adding she would not let her child go on any more field trips.
"People who I'm close friends with, who have brothers and sisters on that bus, started crying, and everybody just started sympathizing", Garcia said. The other buses made it to the site but returned to the school about 50 miles (80 kilometers) away.
There was no immediate word on injuries. She said she rushed to the school after hearing the news.
Where did the New Jersey school bus crash occur?
Pupils of the fifth class went to Waterloo Village, a recreated 19th century town, which is a few miles from the crash site.
The bus and truck collided on Interstate 80 in Mount Olive on Thursday morning. "A lot of people were injured". The front end of the bus appears to have been crushed in the wreck.