Washington, D.C./ Crime & Emergencies

Bryn Mawr School Locks Down; Gilman Shelters in Place as Police Probe Anonymous Threat

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Published on October 13, 2026
Bryn Mawr School Locks Down; Gilman Shelters in Place as Police Probe Anonymous ThreatSource: Google Street View

The Bryn Mawr School on West Melrose Avenue went into lockdown Monday afternoon after Baltimore Police responded to an anonymous threat against the campus, with nearby Gilman School ordering its own students to shelter in place as a precaution. The two North Baltimore private schools sit less than a mile apart, and the ripple effect from one campus to the other left parents scrambling for information as the situation unfolded.

Baltimore Police confirmed that Bryn Mawr School, located on West Melrose Avenue in North Baltimore, was placed on lockdown Monday due to the anonymous threat, according to FOX45 News. A Baltimore Sun report cited in that same coverage indicated Gilman School, also in North Baltimore, ordered a shelter-in-place as the threat against its neighbor was being investigated. FOX45 News reporter Cale Ahearn, who authored the station's report, said the outlet plans to provide updates as more information becomes available.

A Pattern North Baltimore Schools Have Seen Before

Monday's scare is not the first time threats have rippled between the two campuses. On May 30, 2024, Baltimore Police responded to separate threat calls at both Bryn Mawr and Gilman on the same afternoon, triggering emergency lockdowns and sweeps at both schools before police issued an all-clear, according to a report documented by AllSides. Police investigated the separate threats independently.

Part of the reason a threat at one school can trigger a response at the other lies in how closely the campuses are intertwined. Bryn Mawr and Gilman, along with Roland Park Country School, operate a Tri-School coordinate program created in 1987 that lets upper school students take coed elective classes across all three campuses, connected in part by pedestrian bridges, according to Roland Park Country School's own description of the arrangement. That shared daily traffic of students and staff between campuses helps explain why administrators tend to act in tandem when a threat surfaces at any one of the schools.

Inside North Baltimore's Private School Corridor

The Roland Park and Wyndhurst area of North Baltimore is home to an unusually dense cluster of independent schools, with Bryn Mawr, Gilman, Roland Park Country School, and Boys' Latin School all located within a one-mile radius, according to the Wyndhurst Neighborhood Association. That proximity means any single security incident has the potential to touch multiple campuses and draw a broader police presence across the neighborhood.

Bryn Mawr itself was founded in 1885 as the nation's first college-preparatory school for girls and is located at 109 West Melrose Avenue. Gilman, founded in 1897 as the first country day school for boys in the United States, operates a 57-acre campus at 5407 Roland Avenue and serves more than 1,000 students from pre-kindergarten through grade 12, per Wikipedia's entry on the school.

What Maryland Law Says About School Threats

Whoever is found responsible for Monday's threat could face significant legal exposure under state law. Maryland Code of Criminal Law § 3-1001 makes it a crime to knowingly issue a threat of mass violence that endangers five or more people, carrying a potential penalty of up to 10 years in prison and a fine of up to $10,000, according to the Maryland General Assembly's statute text. The same law requires courts to order anyone convicted to reimburse state, federal, or local government units for the costs of the emergency response and any law enforcement losses incurred.

Lawmakers are currently weighing whether those penalties go far enough. During Maryland's 2026 legislative session, legislators introduced Senate Bill 676 to elevate the crime of making a threat of mass violence from a misdemeanor to a felony, according to a bill summary tracked by BillTrack50. If a juvenile is ultimately found responsible for a threat like Monday's, Maryland courts can also order parents or legal guardians to cover restitution costs tied to the emergency police response, according to attorney commentary published by The Herbst Firm.

The lockdown also comes amid a leadership transition at Bryn Mawr. NYC educator Rachael Flores has been selected as its next head of school and is set to succeed retiring head Sue Sadler in July 2027. It remains unclear whether police have identified the origin of Monday's anonymous threat or whether it will be classified as a hoax.