Boston

Late-Night Threat Rattles Gardner High, Officials Say Campus Now Secure

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Published on April 17, 2026
Late-Night Threat Rattles Gardner High, Officials Say Campus Now SecureSource: Google Street View

A reported “serious threat” against Gardner High School earlier this week briefly shook the school community, prompting a police response and a review of campus safety procedures. District and law enforcement officials say students and staff were kept safe while the report was investigated, and by midweek authorities determined there was no ongoing danger.

Police investigating reported threat

Gardner police say they were first alerted to the reported threat around 10:30 p.m. Tuesday and immediately began working with Gardner Public Schools to investigate. According to officers, the situation involves juveniles, and they declined to release additional details for that reason. The department has stated that there is no longer an active threat, as reported by Boston 25 News.

District response and safety steps

Superintendent Mark Pellegrino told Boston 25 News that the district and police "have taken appropriate actions to ensure the safety of our entire school community, and have fully addressed this threat." Citing student privacy and the active investigation, the district has not disclosed specific security measures. School leaders say they are urging families, students, and staff to remain vigilant and to report any suspicious behavior.

Where to report tips and contacts

Officials are asking anyone with information related to the incident to contact law enforcement or school administrators. Gardner Police can be reached at 978-632-5600, according to the City of Gardner police page, and Gardner High School’s main office line is 978-632-1600. Residents who prefer to use school-based reporting tools can find guidance and updates through Gardner Public Schools.