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Princeton Montessori Society

PMS is committed to nurturing each childs potential and passion for learning through the values and principles of the Montessori philosophy. Bold, curious, and resilient, our students grow …

Education Princeton, NJ EIN 221853399 · IRS Sign up to see website
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93
Integrity Assessment
Strong transparency
93/100 · methodology

About Princeton Montessori Society

Princeton Montessori Society is a education organization based in PRINCETON, United States. Annual revenue: $6.3 million. EIN: 221853399.

Founded
Headquarters
Princeton, NJ
Foundation type
School (170(b)(1)(A)(ii))
NTEE code
B21Z
IRS subsection
501(c)(03)
Ruling date
Size
large

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1969

Mission

PMS is committed to nurturing each childs potential and passion for learning through the values and principles of the Montessori philosophy. Bold, curious, and resilient, our students grow to be independent in spirit, socially responsible, and confident in shaping their future.

Focus areas & reach

· What they work on and where
📚 Education · NTEE B21Z
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.
SDG 4 SDG 4 · Quality Education Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all.

How it stacks up against peers

· vs. 8 similar education in United States
Program spending This charity: 84%
Peer average: 86%
CEO comp as % of revenue This charity: 1.61%
Peer average: 0.48%
Integrity Assessment This charity: 93
Peer average: 93

Red flags

· All clear
IRS revocation history
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Where every $1 goes

$0.84
Program expenses$0.84 ($7.8 million)
84% to programs beats the Charity Navigator "highly efficient" threshold (75%).

Common questions

· Auto-generated from filings + methodology

Princeton Montessori Society is a registered education nonprofit based in Princeton, NJ, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1968 and has been operating for 58 years. Its EIN is 221853399. It has a GiveRadar Integrity Assessment of 93/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $9M in annual revenue. 46 officers and directors are publicly disclosed. No red flags have been detected.

Princeton Montessori Society has a GiveRadar Integrity Assessment of 93/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 93 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 84% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for education charities in United States is 93/100.

Princeton Montessori Society is located in Princeton, NJ, United States. The organization was established in 1968 and has been active for 58 years.

Based on official tax filings, Princeton Montessori Society has $9M in annual revenue. It allocates 84% of expenses to programs and services. This is in line with the average of 86% for education charities in United States. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Princeton Montessori Society is classified as a Education organization, registered in United States. It operates as a School (170(b)(1)(A)(ii)). By size, it is categorized as a large organization. It has $9M in annual revenue. The organization has 46 disclosed officers and directors.

No red flags have been detected for Princeton Montessori Society. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Princeton Montessori Society has a GiveRadar Integrity Assessment of 93/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 84% of expenses go to programs. The peer average is 86%. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Princeton Montessori Society is a education organization based in PRINCETON, United States. Annual revenue: $6.3 million. EIN: 221853399. Princeton Montessori Society is classified as a education organization registered in United States. The organization was founded in 1968.

Among education charities registered in United States: Princeton Montessori Society's GiveRadar Integrity Assessment of 93/100 is in line with the peer average of 93/100. It allocates 84% of expenses to programs, in line with the peer average of 86%. Its annual revenue of $9M is comparable to the peer average of $7M.

Yes, donations to Princeton Montessori Society are generally tax-deductible in the United States. Princeton Montessori Society is a 501(c)(3) tax-exempt organization. Its EIN is 221853399, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 3 official sources, last refreshed .

Annual revenue
$1M-$10M
84% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

AN
Andrea Obrian
Executive Director

Officers & trustees (19)

Source: Public filings

AN
Andrea O•••••
Executive Director
BE
Betty C•••
Director
CA
Caroline S••••••
Board of Director
CH
Chance V•• S•••••
Board of Director
DA
Dale S•••••
Director
JA
James C•••••••
Board of Director
JE
Jennifer N•
Board of Director
JU
Justin Y•
Board of Director
LE
Lee G••••••
Board of Director
MI
Michelle M•••••••
Executive Director
PE
Peter E•••••
Board of Director
RE
Rehana F••••••
Board of Director
RI
Rita Z•••••••••
Board of Director
RI
Rita Z•••••••••
Board of Director
SA
Samantha R•••••••••
Board of Director
SC
Scott E•••••••
Board of Director
ST
Stan K•••
Board of Director
SU
Sunanda N••••••••••
Board of Director
UG
Ugur K••••••••
Board of Director
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$9.4M revenue
FY2025
IRS_990
Form filed
$9.6M revenue
FY2024
IRS_990
Form filed
$9.2M revenue
FY2023
IRS_990
Form filed
$8.8M revenue
FY2022
IRS_990
Form filed
$6.3M revenue
FY2021
IRS_990
Form filed
$6.6M revenue
FY2020
IRS_990

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Peer charities

Other education in United States, by integrity assessment

Charity Score Revenue Program %
Princeton Montessori Society This page 93 $9.4 million 84%
Lowell Whiteman School 93 $8.0 million 90%
Norman Howard School Inc 93 $6.0 million 86%
Monroe Christian School Society 93 $2.4 million 87%
Cypress School of San Francisco 93 $5.5 million 85%
Childrens Own School Inc 93 $1.8 million 85%
Cardinal Community Academy 93 $2.9 million 80%
Gentry Academy 93 $4.9 million 90%
Willow Hill School Inc 93 $4.9 million 89%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 46 disclosed in the public registry.

Data freshness

Last updated
Jun 12, 2026
Profile completeness
90%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Princeton Montessori Society

What is Princeton Montessori Society?
Princeton Montessori Society is a education school (170(b)(1)(a)(ii)) based in Princeton, United States. Princeton Montessori Society is a education organization based in PRINCETON, United States. Annual revenue: $6.3 million. EIN: 221853399.
When was Princeton Montessori Society founded?
Princeton Montessori Society was founded in 1968.
Who leads Princeton Montessori Society?
Andrea Obrian serves as Executive Director.
Where is Princeton Montessori Society located?
Headquartered in Princeton, United States.
What is Princeton Montessori Society's annual budget?
Annual revenue for fiscal year 2025 is approximately $1M-$10M. 84% of expenses go to program services.
Is Princeton Montessori Society trustworthy?
Princeton Montessori Society has a GiveRadar Integrity Assessment of 93 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Princeton Montessori Society's registration number?
IRS EIN: 221853399.
What is Princeton Montessori Society's website?
http://www.princetonmontessori.org