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Garrison Forest School Inc

AT GARRISON FOREST SCHOOL, WE PREPARE OUR STUDENTS IN AND OUT OF THE CLASSROOM TO THRIVE IN A COMPLEX, CHANGING WORLD BY: CHALLENGING THEM TO STRIVE FOR ACADEMIC …

Education Owings Mills, MD EIN: 520591516 (IRS) Sign up to see website
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80
Integrity Assessment
Strong transparency
80/100 · methodology

About Garrison Forest School Inc

Home - Garrison Forest School, Inc.

Founded
Headquarters
Owings Mills, MD
Foundation type
School (170(b)(1)(A)(ii))
NTEE code
B200
IRS subsection
501(c)(03)
Ruling date
Size
large

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1939

Mission

At garrison forest school, we prepare our students in and out of the classroom to thrive in a complex, changing world by: challenging them to strive for academic excellence and to grow into informed, independent, and creative thinkers; cultivating an authentic and resilient sense of self, grounded in respect and integrity; creating a diverse and inclusive community built on a spirit of caring; inspiring young women to lead and to serve with passion, purpose, and joy.

Focus areas & reach

· What they work on and where
📚 Education · NTEE B200
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.

How it stacks up against peers

· vs. 8 similar education in United States
Program spending This charity: 81%
Peer average: 83%
CEO comp as % of revenue This charity: 0.77%
Peer average: 0.48%
Integrity Assessment This charity: 80
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2024 · IRS 990 (FY2024)
$0.81
Program$0.81
81% to programs beats the Charity Navigator "highly efficient" threshold (75%).

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

Based on the records currently verified by GiveRadar, Garrison Forest School Inc has a complete profile, cross-referenced across 4 independent sources including the IRS.

  • Established in 1939, it is among the oldest education charities in the United States GiveRadar tracks. View this cohort
  • By reported annual revenue, it is larger than 94% of the 88,739 education charities in the United States with financial records on GiveRadar. See the filings
  • GiveRadar has verified more about this organization than about 87% of the 195,586 education charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
GiveRadar has verified
  • government registration
  • financial records (5 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • a donation page
Not yet verified by GiveRadar
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Garrison Forest School Inc is a registered education nonprofit based in Owings Mills, MD, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1939 and has been operating for 87 years. Its EIN is 520591516. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 80/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $30M in annual revenue. 113 officers and directors are publicly disclosed. No red flags have been detected.

Garrison Forest School Inc's EIN (Employer Identification Number) is 520591516. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Garrison Forest School Inc has a GiveRadar Integrity Assessment of 80/100. 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 80 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 81% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for education charities in United States is 90/100.

Garrison Forest School Inc is located in Owings Mills, MD, United States. The organization was established in 1939 and has been active for 87 years. Its registered address is 300 Garrison Forest Rd, United States.

Based on official tax filings, Garrison Forest School Inc has $30M in annual revenue. It allocates 81% of expenses to programs and services. This is in line with the average of 83% for education charities in United States. Its revenue is significantly above the peer average of $7M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Garrison Forest School Inc is classified as an 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 $30M in annual revenue. The organization has 113 disclosed officers and directors.

No red flags have been detected for Garrison Forest School Inc. 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.

According to GiveRadar's records, Garrison Forest School Inc holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 81% of expenses go to programs (the peer average is 83%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Among education charities registered in United States: It allocates 81% of expenses to programs, in line with the peer average of 83%. Its annual revenue of $30M is well above the peer average of $7M.

Yes, donations to Garrison Forest School Inc are generally tax-deductible in the United States. Garrison Forest School Inc is a 501(c)(3) tax-exempt organization. Its EIN is 520591516, 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.

Annual revenue
$10M-$100M
81% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

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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.

Staff & volunteers

From filings and published profiles

Employees
277

Leadership

From FY2024 filing

ST
Stacy M•••
CHIEF FINANCIAL OFFICER

Officers & trustees (25)

Source: Public filings

See full names, roles, and stories

25 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

10 articles found

From news sources and the organization. Shown for transparency; news never affects the integrity score.

Activity timeline

Filings and press mentions, merged

Garrison Forest School appoints its first leader of color - thebanner.com
Nov 2025
www.thebanner.com
Garrison Forest School Appoints Monica Pickett Rodriguez as Head of School - citybiz
Nov 2025
www.citybiz.co
Garrison Forest announces 14th head of school to start in 2027 - Baltimore Sun
Nov 2025
www.baltimoresun.com
Leadership Profiles 2025: Garrison Forest School - Baltimore Fishbowl
Oct 2025
baltimorefishbowl.com
Garrison Forest High School (Owings Mills, MD) Volleyball - MaxPreps
Aug 2025
www.maxpreps.com
Garrison Forest High School (Owings Mills, MD) Field Hockey - MaxPreps
Aug 2025
www.maxpreps.com
Garrison Forest School Appoints Ann Teaff as Interim Head of School Amid Leadership Transition - citybiz
Aug 2025
www.citybiz.co
Garrison Forest School BizSpotlight - The Business Journals
Jul 2025
www.bizjournals.com
Form filed
$30.3M revenue
FY2024
IRS 990
Garrison Forest School: “The Best Horsewomen They Can Be” - The Plaid Horse Magazine
Dec 2024
www.theplaidhorse.com
Campus Views 2024: Garrison Forest School - Baltimore Fishbowl
Oct 2024
baltimorefishbowl.com
Form filed
$36.5M revenue
FY2023
IRS 990
Form filed
$27.5M revenue
FY2022
IRS 990
Form filed
$29.9M revenue
FY2021
IRS 990
Form filed
$24.7M revenue
FY2020
IRS 990

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education this charity 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
See all cause areas in United States

Most common causes in United States

Causes charities work on most, with this charity's causes ticked.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 113 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
100%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2024 on record
  • Named leadership · 113 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1939
Not available · 1
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Garrison Forest School Inc

What is Garrison Forest School Inc?
Garrison Forest School Inc is a education school (170(b)(1)(a)(ii)) based in Owings Mills, United States. Home - Garrison Forest School, Inc.
When was Garrison Forest School Inc founded?
Garrison Forest School Inc was founded in 1939.
Who leads Garrison Forest School Inc?
Stacy Mohn serves as CHIEF FINANCIAL OFFICER.
Where is Garrison Forest School Inc located?
Headquartered in Owings Mills, MD, United States.
What is Garrison Forest School Inc's annual budget?
Annual revenue for fiscal year 2024 is approximately $10M-$100M. 81% of expenses go to program services.
Is Garrison Forest School Inc trustworthy?
Garrison Forest School Inc has a GiveRadar Integrity Assessment of 80 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 Garrison Forest School Inc's registration number?
IRS EIN: 520591516.
What is Garrison Forest School Inc's website?
https://www.gfs.org