High schools · Illinois

Grayslake Community High School #127

Grayslake, IL · ~349 workers · 4 years of OSHA Injury Tracking Application data.

C
Average Safety Record
1.4
Avg TCR
1.4
Industry avg
0
Fatalities
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The verdict

Grayslake Community High School #127 runs at 99% of its industry's injury rate - about level with the typical High schools workplace, earning a grade C.

Grayslake Community High School #127: 1.4 TCR = 99% of High schools BLS 1.4 · 4y Form 300A (see methodology below)

Grayslake Community High School #127 safety composite

Grayslake Community High School #127 scores strongest on total case rate (tcr) (safer than 87% 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).

B

75/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.39 per 100 workers

Safer than 87% 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

−1.9

2017→2020

Grayslake Community High School #127 injury rate improved

Grayslake Community High School #127's TCR fell 1.9 from 1.9 in 2017 to 0.0 in 2020. Peak filing year was 2018 at 2.5 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2017=1.9 · 2018=2.5 · 2019=1.1 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 611110 · Grayslake, IL AT/BELOW-IND · MID

Grade C · TCR 1.4 · 99% of ind

  • DART 0.0 DART
  • RANK #53/312
  • PHOTO Smith County Middle …
  • BOOK 4y book
  • INJ 15 inj
  • SIZE ~349 FTE

Nearest TCR peer: Smith County Middle School (0.0 TCR gap)

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

Grayslake Community High School #127 in the TCR neighbourhood

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

TCR

What this shows Grayslake Community High School #127 averages 1.4 TCR (99% of the High schools BLS benchmark).

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

Grayslake Community High School #127 TCR series: 2017=1.9 · 2018=2.5 · 2019=1.1 · 2020=0 · BLS 1.4

Where Grayslake Community High School #127 falls in its industry

3,374 High schools establishments

Safer than 87% 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 #53 safest of 312 High schools employers in Illinois.

Grayslake Community High School #127 (349 employees, TCR 1.4) 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 Grayslake Community High School #127
Grayslake Community High School #127 (349 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

Grayslake Community High School #127 has more employees than the High 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
2020 0.0 0.0 0 0 0
2019 1.1 0.0 3 0 0
2018 2.5 0.0 7 0 0
2017 1.9 0.4 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · IL · Grayslake

3,374 High schools employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 38 employers in Grayslake, 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 Smith County Middle School 1.4 TCR
NAICS-TCR Lafayette High School (001) 1.4 TCR
NAICS-TCR District Wide 1.4 TCR
NAICS-TCR ISD 281 Robbinsdale - SEA at Olson 1.4 TCR
STATE-SIZE BE Decatur 349 FTE
STATE-SIZE Morton Industries LLC 349 FTE
STATE-SIZE GC America Inc. 349 FTE
STATE-SIZE Henricksen and Company, Inc. 349 FTE
CITY-NEAR C02 737 FTE
CITY-NEAR 6458-ZNCH 445 FTE
CITY-NEAR Grayslake Community High School District 127 367 FTE
CITY-NEAR Grayslake 359 FTE
NAT-TCR TERRIO Physical Therapy & Fitness - Memorial 1.4 TCR
NAT-TCR Sonora Yard 1.4 TCR
NAT-TCR Cs2 - Community Services, Employment & Training 1.4 TCR
NAT-TCR International Flavors & Fragrances - Carrollton 1.4 TCR
NAT-SIZE Ace Hardware Retail Support Center (Loxley) 349 FTE
NAT-SIZE Par Pharmaceutical 349 FTE
NAT-SIZE Hanon Systems 349 FTE
NAT-SIZE TKG StorageMart Partners LP 349 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: 2020, 2019, 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.