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Threat at Menlo-Atherton High School Prevented by Student Tip

9/25/2025

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Summary

Story summary

A threat at Menlo-Atherton High School was stopped on September 10 after a tip to Sandy Hook Promise's Say Something.
A student reported Instagram posts by a former student showing ammunition and an attack plan, prompting lockdown by Sequoia Union High School District.
No weapons were found and the suspect was placed on psychiatric hold.

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Story summary

A threat at Menlo-Atherton High School was stopped on September 10 after a tip to Sandy Hook Promise's Say Something.
A student reported Instagram posts by a former student showing ammunition and an attack plan, prompting lockdown by Sequoia Union High School District.
No weapons were found and the suspect was placed on psychiatric hold.