A moment of silence at the Beacon School for those killed in Gaza continues to reverberate.

William Stroud, the assistant principal of the public high school in Hell’s Kitchen, told a parents meeting last week that he had received a death threat after news broke about the silent tribute.

The NYPD confirmed it had received a harassment complaint.

Stroud also told parents that the school had approved the moment of silence, which a student asked for on May 15 over Beacon’s public address system. It came a day after some 60 Palestinians were killed by Israeli soldiers.

The Gaza violence also roiled the private Riverdale Country School in The Bronx, where history teacher Shawn Redden was suspended with pay last week over his interactions with students about the conflict, according to a source.

Redden, an activist who participated in the Occupy Wall Street movement, went on a diatribe against Israel, according to a parent.

Redden denied verbally attacking anyone, saying that he “served as a safe haven for all Riverdale students, especially those of minority backgrounds or with minority viewpoints.”

Asked about his alleged suspension, he said that was “not an accurate description of the status of what I have been told is an ongoing investigation.”