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School Cleaning Services in Wisconsin

Wisconsin has 451 operating school districts running 2,190 schools for 806,065 students. Janitors and cleaners in the state earn a median of $17.79 an hour — about 0% above the national median of $17.71. That wage is the single biggest driver of what a cleaning contract costs here.

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451
School districts
2,190
Schools
$17.79
Median janitor wage, hourly
45,640
Janitors employed statewide

What cleaning costs in Wisconsin

Work the arithmetic from the wage rather than from a price list. A typical 60,000 sq ft elementary school has roughly 51,420 sq ft of cleanable floor. At APPA Service Level 4 — the level most districts actually buy — that is about 12.6 productive hours a night, five nights a week across 185 session nights plus break coverage.

Median wage, Wisconsin$17.79/hr
Loaded wage (payroll taxes, workers comp, PTO, uniforms, training — ×1.22)$21.70/hr
Paid hours per year, incl. 12% relief factor2,721 hrs
Direct labour$59,059
Site lead, consumables, equipment, supervision, QC, vehicle$33,700
Summer deep clean$13,093
Indicative annual price, Level 4 with summer deep clean$132,500
Per square foot, per month$0.184

The same building at three service levels

APPA service levelHours/nightPer year$/sq ft/mo
APPA Level 2 — ordinary tidiness 20.6$179,0000.248
APPA Level 3 — casual inattention 15.4$148,5000.207
APPA Level 4 — what most districts buy 12.6$132,5000.184

Budgeting estimate, not a quotation. Assumes contractor-supplied consumables and no day porter; a full-time day porter typically adds $30,000–$55,000 a year. Wage from BLS OEWS May 2025. Burden, relief factor and overhead multipliers are industry estimates and vary by employer. The real number comes from a timed walk-through.

Most Wisconsin districts are small — and that changes who can serve them

Of the 451 districts in Wisconsin, 357 (79%) run five schools or fewer. National contractors are built around large portfolios; a district with two or three buildings is usually served better, and priced better, by a contractor who is not spreading regional management across eighty sites.

Schools in the districtDistricts in WIShare
1-213831%
3-521949%
6-106414%
11-20184%
21-50102%
50+20%

Janitorial pay across Wisconsin

Contract cleaning competes for the same labour pool as in-house custodial staff. These are the percentiles that set your floor:

PercentileHourlyWhat it means for a bid
10th$14.23Entry rate; high turnover territory
25th$16.53Common contract-cleaning start rate
Median$17.79Where a retention-minded bid sits
75th$21.19Leads and specialist floor techs
90th$22.88Supervisors and skilled trades
Housekeeping supervisor, median$23.59Site lead cost

BLS Occupational Employment and Wage Statistics, May 2025, SOC 37-2011, cross-industry. Mean hourly for Wisconsin is $18.53 — a different statistic from the median and usually higher.

Largest districts in Wisconsin

DistrictCountySchoolsStudents
Milwaukee School DistrictMilwaukee County15465,599
Madison Metropolitan School DistrictDane County5425,155
Green Bay Area Public School DistrictBrown County4118,379
Kenosha School DistrictKenosha County3318,315
Racine Unified School DistrictRacine County2515,781
Appleton Area School DistrictOutagamie County3914,994
Waukesha School DistrictWaukesha County2710,922
Eau Claire Area School DistrictEau Claire County2310,687
Janesville School DistrictRock County229,355
Sheboygan Area School DistrictSheboygan County269,285
Oshkosh Area School DistrictWinnebago County189,101
Sun Prairie Area School DistrictDane County168,596

NCES Common Core of Data 2024 via the Urban Institute Education Data Portal.

Private and independent schools in Wisconsin

Alongside the public system, Wisconsin has 882 private schools teaching 145,289 students, averaging 165 pupils each. 306 of them have fewer than 50 students. 293 are Catholic. These buy differently from districts: no sealed-bid statute, no board warrant cycle, and a business manager who can agree a scope in a fortnight.

A 16,000 sq ft independent school in Wisconsin, cleaned nightly at Level 4 with the summer block and sitting inside a route with three or four other accounts, runs around $35,000 a year (0.182/sq ft/month). Small buildings price above the per-square-foot rate quoted for large ones — supervision, equipment and insurance do not scale down with the floor area.

NCES Private School Universe Survey 2023-24.

How private school cleaning works →

Metro areas we cover in Wisconsin

How we work in Wisconsin

We clean schools with crews we employ directly in the markets we staff, and through vetted partner contractors everywhere else. Either way you sign one contract with us, you get one point of contact, and we carry the insurance and the background-check obligation. When you ask for a quote we will tell you which of the two it would be in your town — before you sign, not after.

Every person who enters a school is screened before their first shift, whatever the state statute requires. Scope is written to a named APPA service level with a work-loading table showing the hours behind it, so you can see exactly what you are buying instead of comparing two numbers on a bid tab.