Employer · Illinois

Maine South High School

Park Ridge, IL · ~287 workers · 7 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
2.6
Avg TCR
1.4
Industry avg
0
Fatalities
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The verdict

Maine South High School runs at 186% of its industry's injury rate - more dangerous than the typical industry workplace, earning a grade D.

Maine South High School: 2.6 TCR = 186% of industry BLS 1.4 · 7y Form 300A (see methodology below)

Maine South High School safety composite

Maine South High School scores strongest on total case rate (tcr) (safer than 67% of same-industry peers) and weakest on dart rate (safer than 24%), 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

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.61 per 100 workers

Safer than 67% of industry peers

DART rate
F 3.25 per 100 workers

Safer than 24% 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

Maine South High School: 3.2 → 4.5 TCR

Peak year 2022 @ 5.0 TCR · DART/TCR 1.25× in 2024

Maine South High School's TCR rose 1.2 from 3.2 in 2018 to 4.5 in 2024. Peak filing year was 2022 at 5.0 TCR. In 2024, DART was 1.25× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 611110 · Park Ridge, IL ABOVE-IND · MID

Grade D · TCR 2.6 · 186% of ind

  • DART 3.3 DART
  • RANK #127/312
  • PHOTO JCC Middle School
  • BOOK 7y book
  • INJ 46 inj
  • SIZE ~287 FTE

Nearest TCR peer: JCC Middle School (0.0 TCR gap)

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

Maine South High School in the TCR neighbourhood

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

TCR

What this shows Maine South High School averages 2.6 TCR (186% of the industry BLS benchmark).

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

Maine South High School TCR series: 2018=3.2 · 2019=1.8 · 2020=0.9 · 2021=0.8 · 2022=5 · 2023=2 · 2024=4.5 · BLS 1.4

Where Maine South High School falls in its industry

3,374 industry establishments

Safer than 67% of graded establishments in this industry, whose median TCR is 3.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #127 safest of 312 industry employers in Illinois.

Maine South High School (287 employees, TCR 2.6) 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 Maine South High School
Maine South High School (287 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

Maine South High School has more employees than the industry 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 4.5 3.3 11 0 0
2023 2.0 0.8 5 0 0
2022 5.0 1.7 12 0 0
2021 0.8 0.4 2 0 0
2020 0.9 0.0 2 0 0
2019 1.8 0.4 5 0 0
2018 3.2 2.1 9 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · IL · Park Ridge

3,374 industry employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 35 employers in Park Ridge, IL · 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 JCC Middle School 2.6 TCR
NAICS-TCR St. James Elementary 2.6 TCR
NAICS-TCR Roseville Area Middle School 2.6 TCR
NAICS-TCR Fairfield Board of Education 2.6 TCR
STATE-SIZE Smithfield Foods 287 FTE
STATE-SIZE Estwing Manufacturing Company 287 FTE
STATE-SIZE Pentair Filtration Solutions, LLC - Hanover Park 287 FTE
STATE-SIZE Corporate - Naperville 287 FTE
CITY-NEAR Advocate Lutheran General Hospital 4,306 FTE
CITY-NEAR Park Ridge Park District 421 FTE
CITY-NEAR TheKey - IL, Park Ridge (1300 W Higgins Road) 322 FTE
CITY-NEAR Spark Therapy, LLC 309 FTE
NAT-TCR Transportation : Plant City - Trans 2.6 TCR
NAT-TCR Bethel Home Inc. 2.6 TCR
NAT-TCR George & Lynch, Inc. 2.6 TCR
NAT-TCR Fairfield Board of Education 2.6 TCR
NAT-SIZE Friendship Village of Dublin 287 FTE
NAT-SIZE Atlanta Ful 287 FTE
NAT-SIZE Boisset Collection 287 FTE
NAT-SIZE Collins Electrical Construction Co. 287 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, 2020, 2019, 2018. 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.