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Calvert School Inc

CALVERT SCHOOL IS DEDICATED TO EDUCATING BOYS AND GIRLS THROUGH ITS TIME-TESTED METHOD OF TEACHING AND ITS RIGOROUS CURRICULUM. PARTICULAR EMPHASIS IS GIVEN TO MASTERING ESSENTIAL SKILLS, INSPIRING …

Calvert School Incorporated

Education Baltimore, MD EIN: 520591510 (IRS) Sign up to see website
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75
Integrity Assessment
Strong transparency
75/100 · methodology

About Calvert School Inc

Calvert School is a co-ed, K-8 independent school that provides top-tier elementary and middle school education in Baltimore, Maryland. Calvert inspires each child to lead a life of purpose by providing a strong foundation in academic skills and character development.

Founded
Headquarters
Baltimore, 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 1935

Mission

Calvert school is dedicated to educating boys and girls through its time-tested method of teaching and its rigorous curriculum. Particular emphasis is given to mastering essential skills, inspiring a lifelong love of learning, and instilling enthusiasm, responsibility, and self-discipline. Calvert seeks to develop students of high academic achievement, intellectual curiosity, and strong moral character within a supportive and diverse community.form 990, part vi, section b, line 10a:the policies described in part vi, section b, lines 10a-16b apply to calvert school incorporated and its affiliates as listed below: calvert tuscany acquisition 2018, llc

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: 79%
Peer average: 83%
CEO comp as % of revenue This charity: 1.86%
Peer average: 0.48%
Integrity Assessment This charity: 75
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

· FY2023 · IRS 990 (FY2023)
$0.79
Program$0.79
79% 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, Calvert School Inc has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • Established in 1897, 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
  • It is one of the better-documented education charities in the United States GiveRadar currently 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 (4 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

Calvert School Inc is a registered education nonprofit based in Baltimore, MD, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1897 and has been operating for 129 years. Its EIN is 520591510. 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 75/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $26M in annual revenue. 84 officers and directors are publicly disclosed. No red flags have been detected.

Calvert School Inc's EIN (Employer Identification Number) is 520591510. 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.

Calvert School Inc has a GiveRadar Integrity Assessment of 75/100. 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 75 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 79% 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.

Calvert School Inc is located in Baltimore, MD, United States. The organization was established in 1897 and has been active for 129 years. Its registered address is 105 Tuscany Rd, United States.

Based on official tax filings, Calvert School Inc has $26M in annual revenue. It allocates 79% 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.

Calvert 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 $26M in annual revenue. The organization has 84 disclosed officers and directors.

No red flags have been detected for Calvert 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, Calvert 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 79% 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.

Calvert School is a co-ed, K-8 independent school that provides top-tier elementary and middle school education in Baltimore, Maryland. Calvert inspires each child to lead a life of purpose by providing a strong foundation in academic skills and character development. Calvert School Inc is classified as an education organization registered in United States. The organization was founded in 1897.

Among education charities registered in United States: It allocates 79% of expenses to programs, in line with the peer average of 83%. Its annual revenue of $26M is well above the peer average of $7M.

Yes, donations to Calvert School Inc are generally tax-deductible in the United States. Calvert School Inc is a 501(c)(3) tax-exempt organization. Its EIN is 520591510, 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
79% to programs
Source: IRS 990 (FY2023) why this matters
Unlock exact figures

Filing history

4 years on file from IRS 990 (FY2023): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: 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
275

Leadership

From FY2023 filing

TH
Thomas S T•••••• J•
Director & OP

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

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$26.3M revenue
FY2023
IRS 990
Form filed
$30.1M revenue
FY2022
IRS 990
Form filed
$23.3M revenue
FY2021
IRS 990
Form filed
$25.2M 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 2023 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 84 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
90%

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 · FY2023 on record
  • Named leadership · 84 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 · 1897
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 Calvert School Inc

What is Calvert School Inc?
Calvert School Inc is a education school (170(b)(1)(a)(ii)) based in Baltimore, United States. Calvert School is a co-ed, K-8 independent school that provides top-tier elementary and middle school education in Baltimore, Maryland. Calvert inspires each child to lead a life of purpose by providing a strong foundation in academic skills and character development.
When was Calvert School Inc founded?
Calvert School Inc was founded in 1897.
Who leads Calvert School Inc?
Thomas S Travers Jr serves as Director & OP.
Where is Calvert School Inc located?
Headquartered in Baltimore, MD, United States.
What is Calvert School Inc's annual budget?
Annual revenue for fiscal year 2023 is approximately $10M-$100M. 79% of expenses go to program services.
Is Calvert School Inc trustworthy?
Calvert School Inc has a GiveRadar Integrity Assessment of 75 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 Calvert School Inc's registration number?
IRS EIN: 520591510.
What is Calvert School Inc's website?
https://www.calvertschoolmd.org