Employer · Washington

Mercer Island School

Mercer Island, WA · ~41 workers · 7 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.8
Avg TCR
3.0
Industry avg
0
Fatalities
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The verdict

Mercer Island School runs at 292% of its industry's injury rate - far more dangerous than the typical industry workplace, earning a grade F.

Mercer Island School: 8.8 TCR = 292% of industry BLS 3.0 · 7y Form 300A (see methodology below)

Mercer Island School safety composite

Mercer Island School scores strongest on dart rate (safer than 70% of same-industry peers) and weakest on total case rate (tcr) (safer than 13%), 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

42/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.75 per 100 workers

Safer than 13% of industry peers

DART rate
C 0 per 100 workers

Safer than 70% 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%).

Mercer Island School held a steady TCR band

Mercer Island School's TCR held near 0.0 from 0.0 in 2018 to 0.0 in 2024. Peak filing year was 2020 at 14.9 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=0.0 · 2019=13.0 · 2020=14.9 · 2021=10.8 · 2022=7.8 · 2023=14.7 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 722310 · Mercer Island, WA ABOVE-IND · SMALL

Grade F · TCR 8.8 · 292% of ind

  • DART 0.0 DART
  • RANK #107/124
  • PHOTO SODEXO AT PLIMOTH PL…
  • BOOK 7y book
  • INJ 7 inj
  • SIZE ~41 FTE

Nearest TCR peer: SODEXO AT PLIMOTH PLANTATION (0.0 TCR gap)

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

Mercer Island School in the TCR neighbourhood

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

TCR

What this shows Mercer Island School averages 8.8 TCR (292% of the industry BLS benchmark).

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

Mercer Island School TCR series: 2018=0 · 2019=13 · 2020=14.9 · 2021=10.8 · 2022=7.8 · 2023=14.7 · 2024=0 · BLS 3.0

Where Mercer Island School falls in its industry

6,952 industry establishments

Safer than 13% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #107 safest of 124 industry employers in Washington.

Mercer Island School (41 employees, TCR 8.8) among 29 same-industry peers, split at the industry median of 43 employees and a TCR of 3.5 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 0200400600800 051015 Average employees Total Case Rate Mercer Island School
Mercer Island School (41 employees, TCR 8.8) among 29 same-industry peers, split at the industry median of 43 employees and a TCR of 3.5

Mercer Island School has fewer employees than the industry median and a higher injury rate than the industry's median TCR of 3.5. 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 0.0 0.0 0 0 0
2023 14.7 14.7 2 0 0
2022 7.8 7.8 1 0 0
2021 10.8 0.0 1 0 0
2020 14.9 0.0 1 0 0
2019 13.0 0.0 2 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

722310 · WA · Mercer Island

6,952 industry employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 23 employers in Mercer Island, WA · 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 SODEXO AT PLIMOTH PLANTATION 8.8 TCR
NAICS-TCR SODEXO AT FEDERAL RESERVE BANK SF CAFE 8.8 TCR
NAICS-TCR East Lansing PS* 8.8 TCR
NAICS-TCR SODEXO AT MORAVIAN ACADEMY 8.7 TCR
STATE-SIZE Waterworks, LLC 41 FTE
STATE-SIZE Cascade Natural Gas Bellingham District Office-Operations-Field 41 FTE
STATE-SIZE Soos Creek Water & Sewer District 41 FTE
STATE-SIZE NSK20 - North Sky - Tacoma 41 FTE
CITY-NEAR Stroum Jewish Community Center 296 FTE
CITY-NEAR COVENANT SHORES 178 FTE
CITY-NEAR Bayley Construction 174 FTE
CITY-NEAR Covenant Living at the Shores 165 FTE
NAT-TCR 0259 - Aliso Viejo 8.8 TCR
NAT-TCR 0319 - Tempe 8.8 TCR
NAT-TCR Jackson TN FXFE-JKT 8.8 TCR
NAT-TCR TXH062 8.8 TCR
NAT-SIZE Thop-Sierra Campus-T 41 FTE
NAT-SIZE Phoenixville Tower H 41 FTE
NAT-SIZE TAMU Kingsvlle Mn 41 FTE
NAT-SIZE Google The Great Outdoors 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: 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.