The incident happened around 8:30 a.m. near Eisenhower Middle School.
Police say two men in a white work van with a ladder rack and no windows followed the child into the parking lot of Latshaw Field off Sterigere Street.
A passenger in the van got out and chased the girl on foot, police said.
The girl got away.
The driver of the van was described as a white man wearing a tan or brown coat.
The passenger was described as a white man with a beard wearing a black knit winter cap, a gray jacket and dark-colored sweat pants.
If you see anyone fitting these descriptions, police urge you to call 911 right away.
If you have any other information in this case, you are asked to call Norristown Police at 610-270-0977.