School districts, elementary or secondary · Connecticut
Catherine Kolnaski School
Groton, CT · ~81 workers · 7 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 5.8
- Avg TCR
- 1.4
- Industry avg
- 0
- Fatalities
The verdict
Catherine Kolnaski School runs at 414% of its industry's injury rate - far more dangerous than the typical School districts, elementary or secondary workplace, earning a grade F.
Catherine Kolnaski School: 5.8 TCR = 414% of School districts, elementary or secondary BLS 1.4 · 7y Form 300A (see methodology below)
Catherine Kolnaski School safety composite
Catherine Kolnaski School scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 9%), 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).
27/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 5.8 per 100 workers
Safer than 29% of industry peers
- DART rate
- F 6.63 per 100 workers
Safer than 9% 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
Catherine Kolnaski School: 3.5 → 8.3 TCR
Peak year 2022 @ 9.5 TCR · DART/TCR 1.14× in 2024
Catherine Kolnaski School's TCR rose 4.8 from 3.5 in 2018 to 8.3 in 2024. Peak filing year was 2022 at 9.5 TCR. In 2024, DART was 1.14× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 611110 · Groton, CT ABOVE-IND · SMALL
Grade F · TCR 5.8 · 414% of ind
- DART 6.6 DART
- RANK #221/381
- PHOTO Laketown Elementary …
- BOOK 7y book
- INJ 25 inj
- SIZE ~81 FTE
Nearest TCR peer: Laketown Elementary School (0.0 TCR gap)
Read with this employer → · Industry book → · Connecticut employers → · Look up another →
Catherine Kolnaski School in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Catherine Kolnaski School
5.8 TCR
- Laketown Eleme
Laketown Elementary School
5.8 TCR
- METRO NASHVILL
METRO NASHVILLE PUBLIC SCHOOLS
5.8 TCR
- Gastineau Elem
Gastineau Elementary
5.8 TCR
- Maple Grove Se
Maple Grove Senior High School
5.8 TCR
What this shows Catherine Kolnaski School averages 5.8 TCR (414% of the School districts, elementary or secondary BLS benchmark).
Catherine Kolnaski School TCR series: 2018=3.5 · 2019=4.9 · 2020=3.4 · 2021=4.9 · 2022=9.5 · 2023=6.1 · 2024=8.3 · BLS 1.4
Where Catherine Kolnaski School falls in its industry
3,374 School districts, elementary o establishmentsSafer than 29% of graded establishments in this industry, whose median TCR is 3.8.
Narrower to Connecticut alone (the establishments it most directly competes with for workers and contracts): ranked #221 safest of 381 School districts, elementary o employers in Connecticut.
Catherine Kolnaski School has more employees than the School districts, elementary or secondar median and a higher 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 | 8.3 | 6.6 | 5 | 0 | 0 |
| 2023 | 6.1 | 3.0 | 4 | 0 | 0 |
| 2022 | 9.5 | 7.9 | 6 | 0 | 0 |
| 2021 | 4.9 | 4.9 | 3 | 0 | 0 |
| 2020 | 3.4 | 3.4 | 2 | 0 | 0 |
| 2019 | 4.9 | 3.3 | 3 | 0 | 0 |
| 2018 | 3.5 | 3.5 | 2 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
611110 · CT · Groton
3,374 School districts, elementary or secondary employers nationwide with a credible TCR · 7,008 rated employers in Connecticut with headcount on file · 67 employers in Groton, CT · 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 | Laketown Elementary School | 5.8 TCR |
| NAICS-TCR | METRO NASHVILLE PUBLIC SCHOOLS | 5.8 TCR |
| NAICS-TCR | Gastineau Elementary | 5.8 TCR |
| NAICS-TCR | Maple Grove Senior High School | 5.8 TCR |
| STATE-SIZE | The Morganti Group Inc. | 81 FTE |
| STATE-SIZE | CCL Label - Shelton | 81 FTE |
| STATE-SIZE | Spartech, LLC | 81 FTE |
| STATE-SIZE | PCX Aerosystems Enfield | 81 FTE |
| CITY-NEAR | Electric Boat, Groton, CT. | 15,116 FTE |
| CITY-NEAR | General Dynamics Electric Boat | 12,075 FTE |
| CITY-NEAR | Pfizer Inc | 3,201 FTE |
| CITY-NEAR | University of Connecticut- Avery Point Campus | 314 FTE |
| NAT-TCR | ROC Regional Ops Center | 5.8 TCR |
| NAT-TCR | Wall Asphalt Services, Inc. | 5.8 TCR |
| NAT-TCR | Acquistapace Farms, Inc. | 5.8 TCR |
| NAT-TCR | Western Disposal Services | 5.8 TCR |
| NAT-SIZE | Bagby Electric of Virginia, LLC | 81 FTE |
| NAT-SIZE | Van de Wetering Greenhouses, Inc. | 81 FTE |
| NAT-SIZE | Phillips-Medisize, LLC - Metal Injection Molding | 81 FTE |
| NAT-SIZE | Zemba Bros., Inc. | 81 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.