A suspicious message found at Whitewater High School sent the school into a lockdown on Monday.

School officials said police evacuated students and staff as officers searched the high school. They did not find any suspicious devices.

All students and staff did return to classes around 1:45 p.m. All after-school activities went on as planned.

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Whitewater High School has been placed on a lockdown on Monday morning.

School officials said all am and pm 4K bus routes have been put on hold. If 4K am students are generally picked up, they will be released to parents.

No word on why the school is on lockdown.