Every elementary school in the Hempfield Area School District is getting a weapon detection system, extending a security measure that has screened students at the district's middle and high schools for two years. The Hempfield Area School District Board of Directors voted to install the OPENGATE systems in its five K-5 buildings, following the same rollout already used in secondary schools and at the football stadium.
OPENGATE is a high-throughput weapons detection system designed to screen people carrying backpacks, purses, and bags, according to CBS Pittsburgh. The outlet reports that Hempfield Area secondary schools have utilized the units for two years, and that the district aims to keep students, faculty, staff, and guests safe on school grounds. District leaders declined an on-camera interview on the matter, per the same report.
The district says the elementary purchase was funded through an existing federal safety grant, meaning it will cost local taxpayers no additional money, CBS Pittsburgh reported. Reports differ on the total price tag: CBS Pittsburgh put the OPENGATE systems purchase at approximately $121,000, while wpxi.com reported the district was spending $111,000 from this year's budget on new detectors. The two outlets also differ on the count: CBS Pittsburgh says five systems are dedicated to equipping each of Hempfield Area's elementary buildings, while wpxi.com reported the district is adding six new detectors to scan students entering school buildings.
How the Rollout Will Work
District leaders will partner with elementary principals and staff as the devices go in, and the district plans to implement them in several phases across its K-5 schools. Specific implementation timelines will be shared directly with parents and guardians in the coming weeks, according to CBS Pittsburgh's reporting. wpxi.com reported separately that the district expects to have detectors by the start of the school year and plans to eventually buy more to keep at each school building.
The units are identical to those already used across Hempfield Area's secondary schools, and the district has said the detectors take about a minute to set up, allowing them to be rotated among buildings and even used at sporting events, the station's report noted. Hempfield Area has already expanded OPENGATE use to home high school football games and other evening activities.
A Response to Guns Found on Campus
The district introduced the detectors after three students were caught exchanging guns on campus and on a bus last year, and it has conducted random student searches since, per wpxi.com. Hempfield Area purchased 12 OPENGATE metal detectors for its high school, Harrold School, and its middle schools in 2024, a purchase that community.triblive.com reported cost a combined $114,500. That outlet also reported that Wi-AI systems, an artificial-intelligence model developed by Pittsburgh-based CurvePoint that uses Wi-Fi signals to detect concealed weapons, were installed at five Hempfield Area High School doorways.
A separate report from community.triblive.com noted that the district had applied for $450,000 in funding through a competitive grant with the Pennsylvania Commission on Crime and Delinquency, intended for weapons detectors and emergency-plan upgrades. That same report noted other area districts, including West Allegheny and South Side Area School District in Hookstown, were using a different detection platform, ZeroEyes, according to a representative for that company.
Other Districts Are Moving the Same Direction
Hempfield Area is not alone in expanding this kind of screening. Neighboring Derry Area School District recently bought six weapons detectors to place throughout its two buildings, according to wtae.com, with plans for two at the high school, one at the middle school's front entrance, and three at the elementary school — all costing over $100,000 combined. Derry Area expected the system in place by the start of its school year and said it hoped to use the detectors for football games and other large after-school activities as well.
Farther away, Duval County Public Schools announced installation of walk-through weapon detection systems at all of its middle schools, phased in from late January through early April, according to the Duval County Public Schools website. That district said all students, staff, and visitors entering a middle school would be required to pass through the system, managed by police, security personnel, and trained school-based staff.
Questions About Accuracy Persist
The broader push toward AI-assisted weapons screening in schools has come with documented growing pains. During the 2021-22 school year, just 6.2% of high schools and 4.2% of middle schools nationally reported checking students daily with metal detectors, according to Education Week, though lawmakers in at least three states are now weighing legislation on the technology.
Education Week reports that districts using popular AI weapons-detection systems have logged repeated false alarms triggered by spiral-bound notebooks, musical instrument cases, and water bottles. In October 2025, a Baltimore County high school system mistook a crumpled Doritos bag for a possible firearm, the outlet reported, while a Nashville police department separately arrested a 17-year-old student after a detector identified a loaded handgun in his backpack. School safety consultant Kenneth Trump told the outlet that effective operation of such systems takes an enormous amount of manpower, consistency, staffing, training, and accountability, and that dialing down sensitivity to cut false alarms risks missing the guns and knives the systems are meant to catch.
