Rebuilding Brooklyn
News12 New York
Where to Watch
Download the App
Local
Crime
Weather
Taking Action
beWell
The East End
Crime Files
FIFA World Cup
School Lockdown

Lockdown initiated at Northern Valley Regional High

The school says the primary threat has been contained.

Derek Callahan

Apr 27, 2026, 12:33 PM

Updated

Share:

Top Stories

Police responded to an unspecified threat at Northern Valley Regional High School at Old Tappan on Monday.

The school says the primary threat has been contained.

Officials were conducting "a thorough investigation of the building", according to a statement from the district.

The school urges that nobody should come to the school, as entry to the campus or building is restricted.

Top Stories

App StoreGoogle Play Store

info

Newsletter

Send Photos/Videos

Contact

About Us

News Team

News 12 New York

follow us

Twitter

Facebook

Instagram

more resources

Optimum Corporate

Optimum Service

Advertise on News 12

Careers

Content Removal Policy

© 2026 N12N, LLC

Privacy Policy

Terms of Service

Ad Choices