A McKinney High School student was caught entering the school with a gun.
WFAA described the incident as a student caught entering McKinney High School with a gun: WFAA.
McKinney High School Principal Paula Kent said the student will not return to McKinney ISD and that school leaders will pursue disciplinary action. “Student and staff safety and well-being remain the school's highest priority,” Kent said, per the same report.
McKinney ISD's Detection System Rollout
The scanner that flagged the student is part of a districtwide security rollout McKinney ISD approved in 2024. According to a McKinney ISD announcement, the school board signed off on implementing Evolv detection systems at the district's three high schools, its stadium and its disciplinary alternative education campus at a June 24, 2024 board meeting. The systems were designed to detect a range of potential threats, including weapons, and the district said the move was not in response to any specific threat or incident within McKinney ISD at the time.
The purchase carried a price tag of $1.27 million, according to Community Impact, which reported the district received four bid proposals before selecting Evolv for installation across the five campuses and facilities. A district safety official told the outlet the purchase was a proactive measure rather than a response to a specific weapon problem within McKinney ISD schools.
Similar Incidents Across North Texas
McKinney isn't the only North Texas district to see its detection system flag a firearm this year. At Mansfield Legacy High School, an Evolv system alerted staff to a handgun inside a student's bookbag, and the student was arrested, FOX 4 reported. Mansfield ISD said no specific threat had been made against another student or staff member in that case.
Questions about how well these systems perform have followed their expansion across the region. The Dallas Observer reported that a Washington Post investigation found 19 guns turned up in Arlington ISD during the 2022-23 school year, compared with just one found on its campuses in 2018-19. The same Dallas Observer report cited a finding, originally from The Intercept, that Dorchester County Public Schools in Maryland recorded 250 false alarms for every weapon accurately detected between September 2021 and June 2022.
What National Data Can and Can't Show
Figuring out how common incidents like McKinney's are nationally is complicated by the limits of available data. The The Trace Data Hub tracks the percentage of students caught bringing or possessing firearms at school using figures from the National Center for Education Statistics, but that dataset excludes any cases that went undetected or unreported. The Trace also notes that NCES advises caution comparing 2019-20 or 2020-21 figures to other years, given pandemic-related school closures during that stretch.
Texas law makes clear that carrying a firearm on school property is generally prohibited. Under the Texas Penal Code, a person commits an offense if they intentionally, knowingly or recklessly possess or go with a firearm on the premises of a school or postsecondary educational institution. The statute's exceptions and penalties, and how they might apply to this case, have not been detailed in reporting so far.
No further details about the student's identity, the type of firearm involved, or potential charges have been released.
