K-12 Education · Minnesota

Onamia Secondary School

Onamia, MN · ~41 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
2.0
Avg TCR
1.4
Industry avg
0
Fatalities
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The verdict

Onamia Secondary School runs at 141% of its industry's injury rate - more dangerous than the typical K-12 Education workplace, earning a grade D.

Onamia Secondary School: 2.0 TCR = 141% of K-12 Education BLS 1.4 · 4y Form 300A (see methodology below)

Onamia Secondary School safety composite

Onamia Secondary School scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

C

71/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.98 per 100 workers

Safer than 78% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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%).

TCR Δ

−7.9

2017→2023

Onamia Secondary School injury rate improved

Onamia Secondary School's TCR fell 7.9 from 7.9 in 2017 to 0.0 in 2023. Peak filing year was 2017 at 7.9 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2017=7.9 · 2018=0.0 · 2021=0.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 611110 · Onamia, MN ABOVE-IND · SMALL

Grade D · TCR 2.0 · 141% of ind

  • DART 0.0 DART
  • RANK #370/1589
  • PHOTO Mohegan School
  • BOOK 4y book
  • INJ 3 inj
  • SIZE ~41 FTE

Nearest TCR peer: Mohegan School (0.0 TCR gap)

Read with this employer → · Industry book → · Minnesota employers → · Look up another →

Onamia Secondary School in the TCR neighbourhood

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

TCR

What this shows Onamia Secondary School averages 2.0 TCR (141% of the K-12 Education BLS benchmark).

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

Onamia Secondary School TCR series: 2017=7.9 · 2018=0 · 2021=0 · 2023=0 · BLS 1.4

Where Onamia Secondary School falls in its industry

3,374 K-12 Education establishments

Safer than 78% 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 #370 safest of 1589 K-12 Education employers in Minnesota.

Onamia Secondary School (41 employees, TCR 2.0) 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 Onamia Secondary School
Onamia Secondary School (41 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

Onamia Secondary School has fewer employees than the K-12 Education 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
2023 0.0 0.0 0 0 0
2021 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0
2017 7.9 0.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · MN · Onamia

3,374 K-12 Education employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 13 employers in Onamia, 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 Mohegan School 2.0 TCR
NAICS-TCR Waynesboro High School 2.0 TCR
NAICS-TCR Community Education Programs 2.0 TCR
NAICS-TCR JAMES ISLAND ELEMENTARY 2.0 TCR
STATE-SIZE Minnesota Farming 41 FTE
STATE-SIZE Feedmill TW Shop - SE 41 FTE
STATE-SIZE Hobbs Brigade Energy Services 41 FTE
STATE-SIZE Wild Rice Electric Cooperative, Inc. 41 FTE
CITY-NEAR Mille Lacs Health System Hospital 315 FTE
CITY-NEAR Mille Lacs Health System - Hospital 312 FTE
CITY-NEAR Mille Lacs Health System - Long Term Care 63 FTE
CITY-NEAR Onamia Elementary School 57 FTE
NAT-TCR Dykema Excavators, Inc 2.0 TCR
NAT-TCR Christus Spohn Hospital - Kleberg - EVS 2.0 TCR
NAT-TCR Parsipanny 2.0 TCR
NAT-TCR Ihop 1520 2.0 TCR
NAT-SIZE Medical Managment Plus, LLC 41 FTE
NAT-SIZE Kirby Specialties Corporation 41 FTE
NAT-SIZE NCN Electric Inc 41 FTE
NAT-SIZE Morganfield - Tubes & Cores - C336 41 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: 2023, 2021, 2018, 2017. 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.