Elementary and secondary schools · Minnesota

ISD 728 Zimmerman Middle/High School

Name: ISD 728 Zimmerman Middle/High School Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Zimmerman, MN · ~134 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 2.6
Avg TCR: 1.4
Industry avg: 0
Fatalities

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The verdict

ISD 728 Zimmerman Middle/High School runs at 183% of its industry's injury rate - more dangerous than the typical Elementary and secondary schools workplace, earning a grade D.

ISD 728 Zimmerman Middle/High School: 2.6 TCR = 183% of Elementary and secondary schools BLS 1.4 · 6y Form 300A (see methodology below)

ISD 728 Zimmerman Middle/High School safety composite

ISD 728 Zimmerman Middle/High School scores strongest on total case rate (tcr) (safer than 68% 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).

58/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.56 per 100 workers

Safer than 68% of industry peers
DART rate: D 1.05 per 100 workers

Safer than 52% 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 728 Zimmerman Middle/High School held a steady TCR band

ISD 728 Zimmerman Middle/High School's TCR held near 0.1 from 2.0 in 2017 to 2.1 in 2022. Peak filing year was 2018 at 4.8 TCR. In 2022, DART was 0.41× this establishment's average TCR (severity share of cases).

2017=2.0 · 2018=4.8 · 2019=3.1 · 2020=1.1 · 2021=2.2 · 2022=2.1

OSHA ITA Form 300A scorecard

Establishment book 611110 · Zimmerman, MN ABOVE-IND · MID

Grade D · TCR 2.6 · 183% of ind

DART 1.1 DART
RANK #529/1589
PHOTO Murphy Elementary Sc…
BOOK 6y book
INJ 14 inj
SIZE ~134 FTE

Nearest TCR peer: Murphy Elementary School (0.0 TCR gap)

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2.6
Murphy Element

2.6
ISD 281 Robbin

2.6
Yorkville CUSD

2.6
Waite Park

2.6

What this shows ISD 728 Zimmerman Middle/High School averages 2.6 TCR (183% of the Elementary and secondary schools BLS benchmark).

ISD 728 Zimmerman Middle/High School TCR series: 2017=2 · 2018=4.8 · 2019=3.1 · 2020=1.1 · 2021=2.2 · 2022=2.1 · BLS 1.4

Where ISD 728 Zimmerman Middle/High School falls in its industry

3,374 Elementary and secondary schoo establishments

Safer than 68% of graded establishments in this industry, whose median TCR is 3.8.

Grade D

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #529 safest of 1589 Elementary and secondary schoo employers in Minnesota.

ISD 728 Zimmerman Middle/High School (134 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 76 employees and a TCR of 3.8

ISD 728 Zimmerman Middle/High School has more employees than the Elementary and secondary 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
2022	2.1	1.1	2	0
2021	2.2	2.2	2	0
2020	1.1	1.1	1	0
2019	3.1	1.0	3	0
2018	4.8	1.0	5	0
2017	2.0	1.0	1	1

OSHA ITA peer cross-reference

Establishment peer ledger

611110 · MN · Zimmerman

3,374 Elementary and secondary schools employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 13 employers in Zimmerman, 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	Murphy Elementary School	WOODRIDGE, IL	2.6 TCR
NAICS-TCR	ISD 281 Robbinsdale - Northport Elementary	BROOKLYN CENTER, MN	2.6 TCR
NAICS-TCR	Yorkville CUSD #115	YORKVILLE, IL	2.6 TCR
NAICS-TCR	Waite Park	MINNEAPOLIS, MN	2.6 TCR
STATE-SIZE	Tuffys Pet Treat Inc	DELANO	134 FTE
STATE-SIZE	Norbord Minnesota	SOLWAY	134 FTE
STATE-SIZE	Behrens Manufacturing, LLC	WINONA	134 FTE
STATE-SIZE	Sheet Metal Connectors Inc	MINNEAPOLIS	134 FTE
CITY-NEAR	Community Living Options	Zimmerman	394 FTE
CITY-NEAR	Zimmerman Middle High School	Zimmerman	146 FTE
CITY-NEAR	ISD 728 Zimmerman Elementary	Zimmerman	73 FTE
CITY-NEAR	Zimmerman Elementary School	Zimmerman	68 FTE
NAT-TCR	359651-Nyc-Old Chelsea Sta	New York, NY	2.6 TCR
NAT-TCR	5472-NAI-0035-0035-01956	Rockville, MD	2.6 TCR
NAT-TCR	Quincy Premium Waters, Inc.	Quincy, IL	2.6 TCR
NAT-TCR	9123-Hnl-Primeflight Aviation Services, Inc.	Honolulu, HI	2.6 TCR
NAT-SIZE	1855-AHSCM42	Wichita, KS	134 FTE
NAT-SIZE	084624-New Britain Po	New Britain, CT	134 FTE
NAT-SIZE	336225-Orange Po	Orange, NJ	134 FTE
NAT-SIZE	5472-NAI-0033-0033-03588	Boston, MA	134 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.