Bus operation, school and employee · California

Sonoma Valley School District

Sonoma, CA · ~20 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.9
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Sonoma Valley School District runs at 264% of its industry's injury rate - far more dangerous than the typical Bus operation, school and employee workplace, earning a grade F.

Sonoma Valley School District: 11.9 TCR = 264% of Bus operation, school and employee BLS 4.5 · 3y Form 300A (see methodology below)

Sonoma Valley School District safety composite

Sonoma Valley School District scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 4%), 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).

F

16/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.9 per 100 workers

Safer than 5% of industry peers

DART rate
F 11.61 per 100 workers

Safer than 4% 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

Sonoma Valley School District: 12.3 → 17.4 TCR

Peak year 2019 @ 17.4 TCR · DART/TCR 0.98× in 2019

Sonoma Valley School District's TCR rose 5.1 from 12.3 in 2017 to 17.4 in 2019. In 2019, DART was 0.98× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 485410 · Sonoma, CA ABOVE-IND · SMALL

Grade F · TCR 11.9 · 264% of ind

  • DART 11.6 DART
  • RANK #106/119
  • PHOTO STA - Apollo Ridge
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~20 FTE

Nearest TCR peer: STA - Apollo Ridge (0.0 TCR gap)

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Sonoma Valley School District in the TCR neighbourhood

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

TCR

What this shows Sonoma Valley School District averages 11.9 TCR (264% of the Bus operation, school and employee BLS benchmark).

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

Sonoma Valley School District TCR series: 2017=12.3 · 2018=5.9 · 2019=17.4 · BLS 4.5

Where Sonoma Valley School District falls in its industry

1,574 Bus operation, school and empl establishments

Safer than 5% of graded establishments in this industry, whose median TCR is 4.3.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #106 safest of 119 Bus operation, school and empl employers in California.

Sonoma Valley School District (20 employees, TCR 11.9) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3 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 0100200300400500 05101520 Average employees Total Case Rate Sonoma Valley School District
Sonoma Valley School District (20 employees, TCR 11.9) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3

Sonoma Valley School District has fewer employees than the Bus operation, school and employee median and a higher injury rate than the industry's median TCR of 4.3. 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
2019 17.4 11.6 3 0 0
2018 5.9 0.0 1 0 0
2017 12.3 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

485410 · CA · Sonoma

1,574 Bus operation, school and employee employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 55 employers in Sonoma, CA · 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 STA - Apollo Ridge 11.9 TCR
NAICS-TCR STA - Williamsport 11.8 TCR
NAICS-TCR 6091-603 11.8 TCR
NAICS-TCR STA - Coraopolis 11.8 TCR
STATE-SIZE Sills Farms, Inc. 20 FTE
STATE-SIZE F A Maggiore & Sons, LLC 20 FTE
STATE-SIZE CALMEX CONTRACTING INC 20 FTE
STATE-SIZE Velvet Antler Ranch LLC 20 FTE
CITY-NEAR Sonoma Valley Hospital 386 FTE
CITY-NEAR Fairmont Sonoma Mission Inn & Spa 350 FTE
CITY-NEAR Artisan Bakers 216 FTE
CITY-NEAR The Renaissance Lodge at Sonoma 180 FTE
NAT-TCR Spring Hill Manufacturing 11.9 TCR
NAT-TCR Walnut Creek Assisted Living & Memory Care 11.9 TCR
NAT-TCR City of Chicago Dept of Fleet and Facility Management - 5215 S. Western Blvd 11.9 TCR
NAT-TCR Pensacola Interstate Fairgrounds 11.9 TCR
NAT-SIZE Charles Roy Roofing, Inc. 20 FTE
NAT-SIZE Ryder Fruitland ID. 20 FTE
NAT-SIZE Board of Child Care- WV Campolina Way 20 FTE
NAT-SIZE Grundman Hicks LLC 20 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: 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.