The caller said he was "not so happy with" George Washington School and that there was a bomb inside, a law enforcement source told Daily Voice.
The Bergen County Bomb Squad and K-9 Unit was summoned just before 10 a.m.
Police closed off streets and accompanied the youngsters to the high school.
They started returning to George Washington shortly before 11:30 a.m.
******
ALSO SEE: Sprinklers helped douse a fire in a Lodi industrial building Sunday night.
https://garfield.dailyvoice.com/police-fire/fire-in-lodi-industrial-building-doused/744754/
******
Click here to follow Daily Voice Cresskill-Closter and receive free news updates.