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Nature's Classroom Institute of Wisconsin Inc

EIN 39-1830010Mukwonago, WIHousing & ShelterLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Nov 6, 2026, 2:49 PM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
No record
Charity type
509(a)(1)

$515krevenue
FY2025 · +23% in 3 yrs
45staff
6 of 6years filed
’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$200k$400k$600k’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin−16.1%
Months of reserve0.1mo
Revenue growth (annualized)+1.9%
Middle half of peersMedianNature's Classroom Institute of Wisconsin
Where the money goes FY2025 · $598k spent
Programs$556k93%Management and general$41k7%Fundraising$8120%990 FY2025 · Part IX line 25