Noemi Mendez was a sophomore at Castle Park High School, school officials told Fox 5.
Mendez was walking with her older brother when she stepped off the curb to cross Otay Mesa Lane at La Media Road at 5:10 p.m., San Diego police Officer David Stafford.
A big rig was completing a right turn with a green light when she stepped in it’s path, according to Stafford. She was hit by the back-end of the truck.
Her brother was hit as he tried to pull his sister away from the truck, Stafford said. He was not injured.
“I heard someone yelling and jumped,” a witness told Fox5. “We saw a young lady about 15 years old get hit by the trailer.”
School officials made counselors available for students and will do so Friday as well.
“There were a bunch of girls crying,” said Roy Flores, who attended school with Mendez. “I was shocked.”
Alcohol is not a factor in the incident.