Public Charity

WEST SIDE MONTESSORI SCHOOL

WEST SIDE MONTESSORI SCHOOL is a nonprofit organization categorized as Public Charity based in NEW YORK, NY. Its most recent IRS filing (2025) reports revenue of $15.1M, expenses of $15.3M, total assets of $51.8M. Imperigo tracks 52 reported grant relationships connected to this organization totaling approximately $1.7M.

EIN: 131992185 NEW YORK, NY Latest filing: 2025
Total Revenue$15.1M
Total Expenses$15.3M
Total Assets$51.8M
Grant Records52
Funding Total$1.7M
Filing Years2020–2025

Mission

WE PREPARE CHILDREN TO BE RESILIENT, CREATIVE AND INDEPENDENT PROBLEM SOLVERS. WE ARE LEADERS IN TEACHING MONTESSORI PRINCIPLES AND INCORPORATE THE BEST PRACTICES OF MODERN EARLY CHILDHOOD EDUCATION IN OUR CLASSROOMS.WEST SIDE MONTESSORI SCHOOL IS A VIBRANT, COLLABORATIVE COMMUNITY OF PASSIONATE TEACHERS, JOYFUL CHILDREN AND ENGAGED PARENTS. OUR DIVERSE COMMUNITY IS A REFLECTION OF THE CITY IN WHICH WE LIVE.

Where $100 goes at West Side Montessori School

How West Side Montessori School divides every $100 it spends, from its own Form 990 filings, averaged across 7 years.

$78 Programs the work itself
$20 Management running the organization
$2 Fundraising raising the next dollar

Inside the $78 for programs

$72
The organization's primary exempt purpose and its largest program service, is to provide early education to 150-200 children from pre-k through kindergarten
93% of program spending · Reported in the filing: 200 children
$6
This organization also operates a montessori teacher education program, the wsms-tep program, for teachers who wish to obtain their montessori teaching credentials
7% of program spending
<$1
Providing general education support to unrelated organizations within the community
0% of program spending
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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.

Officers & Directors

TRUSTEE Alex Wasch
DIRECTOR OF OPERATIONS Amy Stoney
TRUSTEE Ankur Keswani
TRUSTEE Annie Kim
TRUSTEE Avner Husen
TRUSTEE Charlene Su

Officer compensation and complete director data available with membership.

Top Grant Purposes

Education
$1,075,058 18 grants
General Support
$633,155 31 grants
Unspecified
$20,000 2 grants

Financial Trends

Year Revenue Expenses Assets
2025 $15.1M $15.3M $51.8M
2024 $12.7M $13.4M $38.3M
2023 $11.3M $11.8M $37.4M
2021 $12.6M $10.3M $36.7M
2020 $10.5M $10.0M $33.9M

Between 2020 and 2025, reported annual revenue grew from $10.5M to $15.1M (+43%), with total assets most recently reported at $51.8M.

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

See the full picture for WEST SIDE MONTESSORI SCHOOL

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