Middle schools · Michigan

Grissom Middle School

Warren, MI · ~61 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
2.5
Avg TCR
1.4
Industry avg
0
Fatalities
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The verdict

Grissom Middle School runs at 182% of its industry's injury rate - more dangerous than the typical Middle schools workplace, earning a grade D.

Grissom Middle School: 2.5 TCR = 182% of Middle schools BLS 1.4 · 4y Form 300A (see methodology below)

Grissom Middle School safety composite

Grissom Middle School scores strongest on total case rate (tcr) (safer than 68% of same-industry peers) and weakest on dart rate (safer than 16%), 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

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.55 per 100 workers

Safer than 68% of industry peers

DART rate
F 4.59 per 100 workers

Safer than 16% 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

−1.0

2021→2024

Grissom Middle School injury rate improved

Grissom Middle School's TCR fell 1.0 from 5.6 in 2021 to 4.6 in 2024. Peak filing year was 2021 at 5.6 TCR. In 2024, DART was 1.8× this establishment's average TCR (severity share of cases).

2021=5.6 · 2022=0.0 · 2023=0.0 · 2024=4.6

OSHA ITA Form 300A scorecard

Establishment book 611110 · Warren, MI ABOVE-IND · SMALL

Grade D · TCR 2.5 · 182% of ind

  • DART 4.6 DART
  • RANK #56/142
  • PHOTO Jefferson Elementary…
  • BOOK 4y book
  • INJ 4 inj
  • SIZE ~61 FTE

Nearest TCR peer: Jefferson Elementary School (0.0 TCR gap)

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

Grissom Middle School in the TCR neighbourhood

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

TCR

What this shows Grissom Middle School averages 2.5 TCR (182% of the Middle schools BLS benchmark).

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

Grissom Middle School TCR series: 2021=5.6 · 2022=0 · 2023=0 · 2024=4.6 · BLS 1.4

Where Grissom Middle School falls in its industry

3,374 Middle schools establishments

Safer than 68% of graded establishments in this industry, whose median TCR is 3.8.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #56 safest of 142 Middle schools employers in Michigan.

Grissom Middle School (61 employees, TCR 2.5) 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 Grissom Middle School
Grissom Middle School (61 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

Grissom Middle School has fewer employees than the Middle 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 4.6 4.6 2 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 5.6 5.6 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · MI · Warren

3,374 Middle schools employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 290 employers in Warren, MI · 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 Jefferson Elementary School 2.5 TCR
NAICS-TCR Ss Joachim and Anne/Shakopee Area Catholic School 2.5 TCR
NAICS-TCR Maintenance Facility 2.5 TCR
NAICS-TCR Justice Alan Page Elementary 2.5 TCR
STATE-SIZE Sietsema Farms Feeds 61 FTE
STATE-SIZE Wolverine Service Center 61 FTE
STATE-SIZE J.R. Heineman & Sons, Inc. 61 FTE
STATE-SIZE 4785_10911 61 FTE
CITY-NEAR Warren Technical Center 22,693 FTE
CITY-NEAR GM Global Technical Center 21,000 FTE
CITY-NEAR Warren Truck Assembly Plant 3,804 FTE
CITY-NEAR 1855-MIDET153 1,903 FTE
NAT-TCR Roy Rogers Brunswick 2.5 TCR
NAT-TCR Cumberland Hospitality, LLC 2.5 TCR
NAT-TCR QSI Ozark 2.5 TCR
NAT-TCR Trinity Turbine Technology, LP 2.5 TCR
NAT-SIZE Riverside Convalescent Center Saluda 5301 61 FTE
NAT-SIZE Glunt Industries Plant 1 61 FTE
NAT-SIZE SDICDSI Imperial 61 FTE
NAT-SIZE Altounian Construction, Inc. 61 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, 2022, 2021. 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.