A beloved New Jersey crossing guard was struck and killed by a car after selflessly pushing two children out of harm’s way, according to witnesses and local authorities.

Crossing guard Jean Schultz, 80, was helping two children cross the street in Woodland Park when a vehicle suddenly struck them just after 3:30 p.m.

on Monday, according to the Passaic County Prosecutors’ Office and Mayor Tracy Kallert.

Schultz was taken to the hospital, where she was pronounced dead, prosecutors said.

The two children — a student from the Woodland Park School District and their sibling — were taken to the hospital in stable condition, authorities added.

Witnesses told WABC that the long-time crossing guard heroically pushed the two children out of the way, attempting to save them from the oncoming vehicle’s impact.

“She literally put herself in harm’s way to protect the kids,” resident Marino Florio told the outlet.

The Woodland Park School District described Schultz as a “dedicated” crossing guard who played an “integral role” in ushering students safely across the street, always with a smile on her face.

“This loss is and will continue to be....