Authorities say the man walked into PS 175 in Rego Park on Friday morning and first got into a conversation with the school safety agent.
He then allegedly punched her in the face, cutting her lip.
She was treated at the hospital and released.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
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