Elementary and secondary schools · Minnesota

20-Armstrong Sr High

Minneapolis, MN · ~265 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
2.4
Avg TCR
1.4
Industry avg
0
Fatalities
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The verdict

20-Armstrong Sr High runs at 171% of its industry's injury rate - more dangerous than the typical Elementary and secondary schools workplace, earning a grade D.

20-Armstrong Sr High: 2.4 TCR = 171% of Elementary and secondary schools BLS 1.4 · 2y Form 300A (see methodology below)

20-Armstrong Sr High safety composite

20-Armstrong Sr High scores strongest on total case rate (tcr) (safer than 71% of same-industry peers) and weakest on dart rate (safer than 27%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.4 per 100 workers

Safer than 71% of industry peers

DART rate
F 2.9 per 100 workers

Safer than 27% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

20-Armstrong Sr High: 1.9 → 2.9 TCR

Peak year 2024 @ 2.9 TCR · DART/TCR 1.21× in 2024

20-Armstrong Sr High's TCR rose 1.0 from 1.9 in 2023 to 2.9 in 2024. In 2024, DART was 1.21× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 611110 · Minneapolis, MN ABOVE-IND · MID

Grade D · TCR 2.4 · 171% of ind

  • DART 2.9 DART
  • RANK #488/1589
  • PHOTO Belleville Township …
  • BOOK 2y book
  • INJ 7 inj
  • SIZE ~265 FTE

Nearest TCR peer: Belleville Township High School District 201 (0.0 TCR gap)

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20-Armstrong Sr High in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows 20-Armstrong Sr High averages 2.4 TCR (171% of the Elementary and secondary schools BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

20-Armstrong Sr High TCR series: 2023=1.9 · 2024=2.9 · BLS 1.4

Where 20-Armstrong Sr High falls in its industry

3,374 Elementary and secondary schoo establishments

Safer than 71% of graded establishments in this industry, whose median TCR is 3.8.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #488 safest of 1589 Elementary and secondary schoo employers in Minnesota.

20-Armstrong Sr High (265 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 02,0004,0006,0008,00010,000 0510152025 Average employees Total Case Rate 20-Armstrong Sr High
20-Armstrong Sr High (265 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

20-Armstrong Sr High has more employees than the Elementary and secondary schools median and a lower injury rate than the industry's median TCR of 3.8. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 2.9 2.9 4 0 0
2023 1.9 1.9 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · MN · Minneapolis

3,374 Elementary and secondary schools employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 1,321 employers in Minneapolis, MN · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Belleville Township High School District 201 2.4 TCR
NAICS-TCR EDEP 2.4 TCR
NAICS-TCR Kecoughtan High School 2.4 TCR
NAICS-TCR Marist School 2.4 TCR
STATE-SIZE Plymouth ATS - Cardiac Surgery 265 FTE
STATE-SIZE 0931 - Stillwater 265 FTE
STATE-SIZE Chuck & Don's Pet Food & Supplies 265 FTE
STATE-SIZE Rainbow Companies 265 FTE
CITY-NEAR University of Minnesota Twin Cities 22,522 FTE
CITY-NEAR MN950 MN TELECOMMUTER 12,021 FTE
CITY-NEAR 0501 - City Center 8,459 FTE
CITY-NEAR Hennepin County Medical Center 7,030 FTE
NAT-TCR Dothan Hatchery 2.4 TCR
NAT-TCR Royster's Production Machining LLC 2.4 TCR
NAT-TCR Fay Industries 2.4 TCR
NAT-TCR Greenfield 2.4 TCR
NAT-SIZE Battle Lumber Co 265 FTE
NAT-SIZE Clearinghouse Building 265 FTE
NAT-SIZE Parkside Villa 265 FTE
NAT-SIZE 5024 Topeka Rdc 265 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.