National-Scale Pro Forma — Violence Prevention Architecture

Sensitivity Note: This projection exists for institutional decision-makers who allocate budgets. The dollar figures measure the cost of institutional choices — not the value of human life, which cannot be quantified. The most important return in this analysis is the one that does not appear in any column: the student who stayed on the road.

The Scale of the Problem

American public schools spend $12 billion per year on security guards, $2.62 billion on school resource officers, and $3.1 billion on surveillance technology — a total of $17.8 billion annually. This architecture records the event. It does not prevent it. It produces zero measurable change in the antecedent conditions that create violence. And it generates its own downstream costs: a 21% increase in antidepressant use among exposed students, a 28% increase in chronic absenteeism, and a 2.4% decline in per-capita earnings in affected counties.

Meanwhile, the national student-to-counselor ratio is 372:1 — but in elementary and middle schools, where early identification matters most, the ratio is 571 to 694 students per counselor. Eight million American children attend a school with no counselor at all.

The Alternative: Prevention at $27 Per Student

Per-Seat Pricing at Volume

The 10-Year National Projection

Cumulative Spending: Reactive vs Prevention

Every dollar in the shaded wedge bought a camera that recorded an event it did not prevent.

Does Prevention Pay Its Rent?

The gold line is what prevention returns. The green line is what it costs. The red line is what the reactive path costs — for nothing.

Summary

Component	Year 1	Years 2–10	Notes
Curriculum licensing + platform	$20	$15	SaaS economics at scale
Teacher training (SAMA, SEL, katas)	$14	$5	Train-the-trainer model
Trajectory monitoring system	$8	$5	Software + coordinator time
Safe subsidy (one-time)	$10	$0	Bulk purchasing; ~40% of households
Adult behavioral training refresh	$2	$2	Annual booster
Total per seat	$54	$27	Volume-adjusted

Year	Prevention Spend	Reactive (comparison)	Net VD	Benefit/ Student	National Benefit	Cum. Prevention	Cum. Benefit
1	$2.67B	$17.8B	0.32	$121	$5.99B	$2.67B	$5.99B
2	$1.34B	$17.8B	0.39	$148	$7.33B	$4.01B	$13.32B
3	$1.34B	$17.8B	0.48	$182	$9.01B	$5.35B	$22.33B
4	$1.34B	$17.8B	0.51	$196	$9.70B	$6.69B	$32.03B
5	$1.34B	$17.8B	0.55	$209	$10.35B	$8.03B	$42.38B
6	$1.34B	$17.8B	0.57	$217	$10.74B	$9.37B	$53.12B
7	$1.34B	$17.8B	0.59	$224	$11.09B	$10.71B	$64.21B
8	$1.34B	$17.8B	0.61	$231	$11.43B	$12.05B	$75.64B
9	$1.34B	$17.8B	0.62	$235	$11.63B	$13.39B	$87.27B
10	$1.34B	$17.8B	0.63	$239	$11.83B	$14.73B	$99.10B

	Reactive Architecture	Prevention Architecture	Difference
10-year spend	$178.0 billion	$14.7 billion	−$163.3B saved
Cumulative measurable benefit	$0	$99.1 billion	+$99.1B
Net 10-year return	—	—	$84.4 billion
ROI on prevention spend	—	—	6.7×
Per-student cost ratio (Y2+)	$363/student	$27/student	13.3:1

We spend $363 per student per year on security that records the event. Prevention costs $27 per student per year and compounds.

Over ten years, the reactive path costs $178 billion and returns nothing. The prevention path costs $14.7 billion and returns $99.1 billion. The net return is $84.4 billion — a 6.7× ROI on the prevention investment.

The number that matters most: At the district level, trajectory monitoring identifies an estimated 20–50 students over ten years. At the national level, that becomes 990,000 to 2,475,000 students — nearly a million to two and a half million young people whose social withdrawal, emotional dysregulation, or loss of connection would trigger a conversation in October rather than a crisis in February.

Those students do not appear in the ROI calculation. They are the reason the ROI calculation exists.

Sources: $557B — Everytown for Gun Safety / Harvard JAMA (Song, 2022). $17.8B — Urban Institute ($12B guards + $2.62B SROs) + Omdia ($3.1B tech), 2023 dollars. 49.5M students — NCES CCD fall 2023 (December 2024). Per-seat pricing — volume-adjusted from 1,000-student FBA-based pro forma (Kunzinger, The Engine of Trust, 2026). Benefits — Voltage Drop applied (0.32 → 0.63) to Durlak 2011 / Cipriano 2023 effect sizes. Counselor ratio — ASCA 2024–25 (372:1 national; 571–694:1 K–8).

From The Engine of Trust: Behavioral Science, Institutional Design, and the Architecture of Human Potential by Jeremy E. Kunzinger. Knight of Cups, LLC, 2026.