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Architects push CPTED, perimeter design and staged security in new school builds; retrofit costs can be higher
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Summary
Design firms and CPTED practitioners told the task force that early planning and site design — perimeter control, vestibules, surveillance, compartmentalization — are the most cost‑effective ways to improve safety, and that retrofits of older buildings often carry higher premiums.
Architects and certified CPTED (crime prevention through environmental design) practitioners told the K-12 School Safety Task Force that early incorporation of safety principles into school design yields better outcomes and lower incremental cost than retrofits.
Melissa Puccio, project manager at Grace Design Studios, summarized the practice in four priorities: deter, delay, defend and enable response. “Deterrence starts with the perimeter,” Puccio said, describing how fencing, parking orientation and signage guide visitors to a single entry and reduce casual access to playgrounds and classroom exteriors.
Daryl and Bridget Didier, architects and CPTED practitioners, described how site orientation, clear sight lines, layered access control and low-maintenance landscaping reduce vulnerabilities without necessarily making campuses feel institutional. Bridget Didier, who recently completed a doctorate focused on school safety, noted that human behavior and social dynamics also shape risk: “It’s more than just locking it down … it also needs to make sure that we’re balancing that line between making students comfortable and making the teachers comfortable.”
Design examples presented to the task force included secure vestibules with controlled check-in, ballistic/laminated glazing options for high‑visibility façades, compartmentalizing corridors that can be closed quickly, and raised landscaping that preserves visibility. The firms said those measures can be designed attractively so schools retain a welcoming educational environment.
On cost, the architects estimated modest added expense on new builds — roughly a 10% premium for a safety-focused new facility at scale — while retrofitting older campuses could cost substantially more (they estimated retrofit premiums up to 25% depending on complexity). They urged policymakers to prioritize safety features in programming and procurement so projects include necessary elements from the outset rather than adding them later.
Architects and CPTED practitioners also recommended multi‑disciplinary planning teams that include architects, school leaders, maintenance personnel, law enforcement and mental-health professionals to match physical measures with training, policies and emergency plans.
The task force asked the architects for case studies and a checklist of design priorities; the firms offered to provide sample specifications and project case studies for future meetings.
