Milwaukee

Cops Swarm Lannon, Elementary Students Stuck On Indoor Hold

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Published on May 21, 2026
Cops Swarm Lannon, Elementary Students Stuck On Indoor HoldSource: Google Street View

Students at Lannon Elementary in the Village of Lannon spent part of Thursday inside their classrooms while deputies dealt with police activity in the surrounding neighborhood, school officials told families. Administrators placed the campus on an indoor hold, a safety step that keeps students in their rooms while officers work outside, and reported that all students and staff were safe. Lessons carried on inside the building, even as deputies worked the scene and asked parents not to come to the school during the response.

In a letter to families, administrators said the Waukesha County Sheriff's Department ordered the hold and that the law-enforcement activity was happening off school property, according to WTMJ. The message explained that the campus would stay in the indoor hold until deputies gave the all clear and that instruction would continue as usual inside during the precaution.

School Response And Where To Get Updates

The Hamilton School District maintains a page for Lannon Elementary and regularly posts newsletters and notices for families, and its site lists the school's main office phone number and contact addresses. Lannon Elementary serves grades K–4 in the Hamilton district and is the neighborhood elementary for the Village of Lannon. Parents and guardians can check the district's news and newsletter feed for official updates and end-of-year information at the school's page: Hamilton School District.

Local Pattern: Precautionary Holds

Precautionary holds are used when police activity is close to a campus but not on school grounds. In March, deputies arrested two men after a shooting that briefly put three schools on hold, highlighting how authorities sometimes lock down nearby blocks before clearing campuses, per reporting by WTMJ. Officials say the strategy is meant to keep students out of harm's way while cutting down on classroom disruption.

What Parents Should Know

Officials asked parents to avoid driving to the school while the operation was active and to rely on district alerts and local media for updates. For questions about pick-up procedures or to reach school staff, families can contact Lannon Elementary's office, and the district page lists phone numbers and newsletters for parents. Hamilton School District is the official channel for follow-up notices.