The Bergen County Sheriff's Bomb Squad and K-9 Unit were dispatched to the Chestnut Avenue school after a note was found, the sheriff's Anthony Cureton said.
Teaneck Community had a scare on Jan. 18 when a threat was found scrawled on a bathroom wall, Cureton said.
A day later, nine schools were locked down after phoned threats came in overnight on Jan. 19.
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