Middle schools · Minnesota

ISD 477 Princeton Middle School

Name: ISD 477 Princeton Middle School Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Princeton, MN · ~82 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 4.1
Avg TCR: 1.4
Industry avg: 0
Fatalities

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The verdict

ISD 477 Princeton Middle School runs at 291% of its industry's injury rate - far more dangerous than the typical Middle schools workplace, earning a grade F.

ISD 477 Princeton Middle School: 4.1 TCR = 291% of Middle schools BLS 1.4 · 6y Form 300A (see methodology below)

ISD 477 Princeton Middle School safety composite

ISD 477 Princeton Middle School scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 30%), 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).

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.07 per 100 workers

Safer than 46% of industry peers
DART rate: F 2.61 per 100 workers

Safer than 30% 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%).

ISD 477 Princeton Middle School held a steady TCR band

ISD 477 Princeton Middle School's TCR held near 0.3 from 2.3 in 2017 to 2.6 in 2022. Peak filing year was 2018 at 11.9 TCR. In 2022, DART was 0.64× this establishment's average TCR (severity share of cases).

2017=2.3 · 2018=11.9 · 2019=2.3 · 2020=3.4 · 2021=1.9 · 2022=2.6

OSHA ITA Form 300A scorecard

Establishment book 611110 · Princeton, MN ABOVE-IND · SMALL

Grade F · TCR 4.1 · 291% of ind

DART 2.6 DART
RANK #895/1589
PHOTO Rose Street Center
BOOK 6y book
INJ 11 inj
SIZE ~82 FTE

Nearest TCR peer: Rose Street Center (0.0 TCR gap)

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

This site

4.1
Rose Street Ce

4.1
Myers-Wilkins

4.1
Camb Middle

4.1
Isanti Interme

4.1

What this shows ISD 477 Princeton Middle School averages 4.1 TCR (291% of the Middle schools BLS benchmark).

ISD 477 Princeton Middle School TCR series: 2017=2.3 · 2018=11.9 · 2019=2.3 · 2020=3.4 · 2021=1.9 · 2022=2.6 · BLS 1.4

Where ISD 477 Princeton Middle School falls in its industry

3,374 Middle schools establishments

Safer than 46% of graded establishments in this industry, whose median TCR is 3.8.

Grade F

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #895 safest of 1589 Middle schools employers in Minnesota.

ISD 477 Princeton Middle School (82 employees, TCR 4.1) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

ISD 477 Princeton Middle School has more employees than the Middle schools 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
2022	2.6	2.6	1
2021	1.9	0.0	1
2020	3.4	0.0	2
2019	2.3	0.0	1
2018	11.9	2.4	5
2017	2.3	0.0	1

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · MN · Princeton

3,374 Middle schools employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 45 employers in Princeton, MN · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Rose Street Center	OWATONNA, MN	4.1 TCR
NAICS-TCR	Myers-Wilkins Elementary School	DULUTH, MN	4.1 TCR
NAICS-TCR	Camb Middle	CAMBRIDGE, MN	4.1 TCR
NAICS-TCR	Isanti Intermediate	ISANTI, MN	4.1 TCR
STATE-SIZE	Frerichs Construction	ST.PAUL	82 FTE
STATE-SIZE	RRSC Minneapolis/St. Paul Market	MINNEAPOLIS	82 FTE
STATE-SIZE	CD Tile & Stone	BLAINE	82 FTE
STATE-SIZE	Lofton Label, Inc	INVER GROVE HEIGHTS	82 FTE
CITY-NEAR	FV Northland Medical Center	Princeton	504 FTE
CITY-NEAR	Crystal Cabinet Works, Inc.	Princeton	456 FTE
CITY-NEAR	WM 3102	Princeton	315 FTE
CITY-NEAR	Princeton1	Princeton	259 FTE
NAT-TCR	Atascadero Grocery Outlet	Atascadero, CA	4.1 TCR
NAT-TCR	Graduate Providence	Providence, RI	4.1 TCR
NAT-TCR	9277-106 Marriott - Managed	Vail, CO	4.1 TCR
NAT-TCR	Sunny Farms Landfill	Fostoria, OH	4.1 TCR
NAT-SIZE	Oregon City Line Ops	Oregon City, OR	82 FTE
NAT-SIZE	Illinois Ni Cast LLC	Champaign, IL	82 FTE
NAT-SIZE	6925-ATL	Atlanta, GA	82 FTE
NAT-SIZE	Lake View Court	Orlando, FL	82 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: 2022, 2021, 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.