Scarborough High School was closed Tuesday by a "serious threat," according to Scarborough Police.

Police told WGME TV that the threat was made via text message. A student notified school officials, who in turn reported the threat. As a precautionary measure, classes and after school activities were canceled for the day at the high school, according to WGME.

All other schools in the district were open Tuesday.

The nature of the threat was not disclosed by police.

School officials praised the student who came forward about the threat.

Contact reporter Dan Alexander at or via Twitter @DanAlexanderNH

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