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Clark Police Department
Thursday February 5th, 2026 :: 10:47 a.m. EST

Alert

ALJ Lockdown

Students and staff at Arthur L. Johnson High School have been placed in a lockdown at the time, as police investigate a threat that at this time remains unsubstantiated..

Please know that the safety of our students is paramount.  We are working directly with the police, who are present on the property at this time.

Vocation and technical students being dropped off were relocated to the public library.

We will keep you updated with more information as it is available.

Instructions:

Please avoid the area and do not come to ALJ.

Address/Location
Clark Police Department
315 Westfield Ave
Clark, NJ 07066

Contact
Emergency: 9-1-1
Non-emergencies: 732-388-3434

Alert Details

Severity:
Moderate - Possible threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Law enforcement, military, homeland and local/private security
Event:
Ongoing Investigation

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