WEST SIDE MONTESSORI SCHOOL

EIN: 131992185 501(c)(3)

NEW YORK, NY

Total Revenue
$15,094,740
Total Expenses
$15,254,442
Total Assets
$51,804,798
Net Assets
$29,061,121
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Financial Vulnerability Assessment (Tuckman-Chang)

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Financial Trends

Organization Details

Formation Year
1963
Legal Domicile
NY
Principal Officer
MARY D BASSO
Phone
2126628000
Tax Period
2024-07-01 to 2025-06-30

WEST SIDE MONTESSORI SCHOOL, founded in 1963, is a mid-sized nonprofit that reported $15.1M in total revenue in fiscal year 2024. Revenue grew 19% year-over-year, indicating healthy expansion.

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.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2024)

Revenue Breakdown

Contributions & Grants $2,730,263
Program Service Revenue $11,682,610
Investment Income $668,839
Other Revenue $13,028
TOTAL REVENUE $15,094,740

Expense Breakdown

Grants Paid $1,177,113
Salaries & Benefits $9,692,085
Fundraising Expenses $427,715
Program Expenses $11,711,108
Other Expenses $4,260,244
TOTAL EXPENSES $15,254,442

Year-over-Year Comparison

2024 2023 Change
Revenue $15,094,740 $12,664,529 +0.2%
Expenses $15,254,442 $13,391,460 +0.1%
Net Income $-159,702 $-726,931 -0.8%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

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Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
24
Independent Members
22
Employees
90
Volunteers
22

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
7
$778,828
Total Directors
25
$534,549
Key Employees
1
$200,846
Highest Compensated
5
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
MIMI BASSO HEAD OF SCHOOL 40.00
Officer Director
$471,518 $63,031 $534,549
IVA MILLS VICE-PRESIDENT 2.00
Officer Director
$0 $0 $0
DANA BLISS VICE-PRESIDENT 2.00
Officer Director
$0 $0 $0
SCOTT LI TREASURER 2.00
Officer Director
$0 $0 $0
TENILLE PHAM SHELTON SECRETARY 2.00
Officer Director
$0 $0 $0
MICHAEL CAPILOUTO TRUSTEE 2.00
Director
$0 $0 $0
NIKKI CHASE-LEVIN PRESIDENT 2.00
Officer Director
$0 $0 $0
STEVEN HAN TRUSTEE 2.00
Director
$0 $0 $0
GEOFFREY KARAPETYAN TRUSTEE 2.00
Director
$0 $0 $0
ANKUR KESWANI TRUSTEE 2.00
Director
$0 $0 $0
KURT MILLER TRUSTEE 2.00
Director
$0 $0 $0
YASMIN NOZARI TRUSTEE 2.00
Director
$0 $0 $0
CHRISTINA WANG TRUSTEE 2.00
Director
$0 $0 $0
JULIA EMANUEL TRUSTEE 2.00
Director
$0 $0 $0
AVNER HUSEN TRUSTEE 2.00
Director
$0 $0 $0
ANNIE KIM TRUSTEE 2.00
Director
$0 $0 $0
ELLIE BURROWS GLUCK PARENT REPRESENTATIVE 4.00
Director
$0 $0 $0
CHARLENE SU TRUSTEE 2.00
Director
$0 $0 $0
KRISTIN CRAWFORD TRUSTEE 2.00
Director
$0 $0 $0
GREG FELDMAN TRUSTEE 2.00
Director
$0 $0 $0
ELIZABETH MARTORELLA TRUSTEE 2.00
Director
$0 $0 $0
JOHN FREDERICK THYE TRUSTEE 2.00
Director
$0 $0 $0
ALEX WASCH TRUSTEE 2.00
Director
$0 $0 $0
ELIZABETH TYNDELL TRUSTEE 2.00
Director
$0 $0 $0
JORDAN BLITZER PARENT REPRESENTATIVE 4.00
Director
$0 $0 $0
MATTHEW BLOOM CFO 40.00
Officer
$185,241 $59,038 $244,279
LISANNE PINCIOTTI DIRECTOR OF TEP 40.00
Key Emp
$166,583 $34,263 $200,846
GRETCHEN AMBERG SLACK HEAD TEACHER 40.00
Highest
$136,157 $31,688 $167,845
NADINE CARROLL ASSOC. HEAD OF SCHOOL 40.00
Highest
$157,891 $20,148 $178,039
MELISSA MACK ASSOCIATE DIRECTOR 40.00
Highest
$165,433 $37,948 $203,381
AMY STONEY DIRECTOR OF OPERATIONS 40.00
Highest
$192,834 $22,532 $215,366
KATHERINE FORDNEY EDUCATIONAL DIRECTOR 40.00
Highest
$144,025 $41,203 $185,228
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 $15,094,740 $15,254,442 $51,804,798 $-159,702
2024 $12,664,529 $13,391,460 $38,306,732 $-726,931
2023 $11,284,083 $11,752,766 $37,420,941 $-468,683
2022 $10,367,667 $10,616,513 $34,513,067 $-248,846
2021 $12,617,803 $10,250,637 $36,738,175 $2,367,166
2020 $10,542,848 $10,016,105 $33,911,523 $526,743
2019 $10,058,815 $10,301,784 $34,703,581 $-242,969
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