Mission
FOSTERING EACH CHILD'S POTENTIAL AND A LIFE-LONG LOVE OF LEARNING.
Public Charity
MONTESSORI SCHOOL OF WAUKESHA INC
MONTESSORI SCHOOL OF WAUKESHA INC is a nonprofit organization categorized as Public Charity based in WAUKESHA, WI. Its most recent IRS filing (2025) reports revenue of $4.4M, expenses of $3.7M, total assets of $5.6M. Imperigo tracks 4 reported grant relationships connected to this organization totaling approximately $625K.
EIN: 391154462
WAUKESHA, WI
Preschools
NTEE: B21
Latest filing: 2025
Total Revenue$4.4M
Total Expenses$3.7M
Total Assets$5.6M
Grant Records4
Funding Total$625K
Filing Years2021–2025
Where $100 goes at Montessori School of Waukesha Inc
How Montessori School of Waukesha Inc divides every $100 it spends, from its own Form 990 filings, averaged across 8 years.
$78
Programs
the work itself
$17
Management
running the organization
$5
Fundraising
raising the next dollar
Inside the $78 for programs
$78
We served 340 students in a montessori educational program ranging from aged toddler through eighth grade and provided the option of wrap care for families who needed it
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
GENERAL SUPPORT
$7,147
GENERAL SUPPORT
$7,147
GENERAL/OPERATING SUPPORT
$611,180
Showing up to 5 of 4 total records — full history available with membership.
Officers & Directors
DIRECTOR
Alex Barta
DIRECTOR
Ashley Maher
EXECUTIVE DIRECTOR
Brenda Zellmer
VICE PRESIDENT
Curtis Meins
PRESIDENT
Eric Buckhouse
SECRETARY
Kate Winchell
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $4.4M | $3.7M | $5.6M |
| 2024 | $4.3M | $3.4M | $5.0M |
| 2023 | $3.4M | $3.1M | $4.2M |
| 2022 | $3.1M | $3.0M | $4.1M |
| 2021 | $2.7M | $2.6M | $2.9M |
Between 2021 and 2025, reported annual revenue grew from $2.7M to $4.4M (+62%), with total assets most recently reported at $5.6M.
Interactive year-over-year charts and full filing details available with membership.