Public Charity

WISCONSIN MONTESSORI SOCIETY INC

WISCONSIN MONTESSORI SOCIETY INC, of MILWAUKEE, WI, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $7.5M in revenue, $7.3M in expenses, $15.2M in total assets. 11 publicly reported grants to this organization, totaling roughly $125K, appear in IRS filings.

EIN: 391016541 MILWAUKEE, WI Latest filing: 2025
Total Revenue$7.5M
Total Expenses$7.3M
Total Assets$15.2M
Grant Records11
Funding Total$125K
Filing Years2020–2025

Mission

MISSION: EDUCATING YOUNGSTERS TO BECOME AN INFORMED, COMMITTED, AND DIFFERENCE-MAKING GENERATION. VISION: EDUCATING CHILDREN TO GRADUATE AS INFORMED, ENGAGED, ETHICALLY MINDED CITIZENS OF THE WORLD THAT THEY INHERIT. PURPOSE: MILWAUKEE MONTESSORI SCHOOL IS A PRIVATE INDEPENDENT DAY SCHOOL DEDICATED TO EXPANDING THE HUMAN POTENTIAL OF ALL CHILDREN FOR THE PURPOSE OF EDUCATING THEM FOR A FREER, SAFER, WORLD. THE WORK OF OUR FACULTY AND STAFF ADVANCES OUR IDEAS ROOTED IN OUR BELIEF IN DEMOCRACY, PERSONAL FREEDOM, SOLIDARITY WITH THOSE AT THE PERIPHERY OF SOCIETY, THE WELL-BEING OF OUR PLANET, AND EDUCATING CHILDREN TO BECOME INFORMED, ENGAGED, ETHICALLY MINDED CITIZENS FOR THE WORLD THAT THEY WILL INHERIT.

Officers & Directors

SECRETARY Christian Walters
HEAD OF SCHOOL David Swanson 5125 - 63025
BUSINESS MANAGER Debbie Mather
TRUSTEE Julie Ledger
PRESIDENT Katherine Lewis
VICE PRESIDENT Kathleen O'brien

Officer compensation and complete director data available with membership.

Top Grant Purposes

THE MILWAUKEE MONTESSORI SCHOOL GREEN PARKING LOT
$50,000 1 grant
GENERAL SUPPORT
$30,565 4 grants
PROGRAMS
$13,750 2 grants
Education
$10,000 1 grant
PRIMARY AND SECONDARY EDUCATION
$10,000 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $7.5M $7.3M $15.2M
2024 $7.7M $6.4M $14.5M
2023 $6.7M $5.9M $13.7M
2021 $6.1M $5.0M $11.9M
2020 $5.4M $4.9M $11.3M

Between 2020 and 2025, reported annual revenue grew from $5.4M to $7.5M (+40%), with total assets most recently reported at $15.2M.

Interactive year-over-year charts and full filing details available with membership.

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