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Clapham School

Clapham school inspires students with an education founded on a christian worldview, informed by the classical tradition, and approached with diligence and joy.

Health Wheaton, IL EIN 203822878 · IRS Sign up to see website
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89
Integrity Assessment
Strong transparency
89/100 · methodology

About Clapham School

Clapham is a Pre-K through 12 independent school located in Wheaton, IL committed to education founded on a Christian worldview and informed by the classical tradition.

Founded
Headquarters
Wheaton, IL
Foundation type
School (170(b)(1)(A)(ii))
NTEE code
E20
IRS subsection
501(c)(03)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2006

Mission

Clapham school inspires students with an education founded on a christian worldview, informed by the classical tradition, and approached with diligence and joy.

Focus areas & reach

· What they work on and where
❤️ Health · NTEE E20
Cause tags

How it stacks up against peers

· vs. 8 similar health in United States
Program spending This charity: 0%
Peer average: 24%
CEO comp as % of revenue This charity: 3.14%
Peer average: 0.48%
Integrity Assessment This charity: 89
Peer average: 90

Red flags

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

Common questions

· Auto-generated from filings + methodology

Clapham School is a registered health nonprofit based in Wheaton, IL, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2006 and has been operating for 20 years. Its EIN is 203822878. It has a GiveRadar Integrity Assessment of 89/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $3M in annual revenue. 35 officers and directors are publicly disclosed. No red flags have been detected.

Clapham School has a GiveRadar Integrity Assessment of 89/100. 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 89 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for health charities in United States is 90/100.

Clapham School is located in Wheaton, IL, United States. The organization was established in 2006 and has been active for 20 years.

Based on official tax filings, Clapham School has $3M in annual revenue. Its revenue is below the peer average of $38M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Clapham School is classified as a Health organization, registered in United States. It operates as a School (170(b)(1)(A)(ii)). By size, it is categorized as a medium organization. It has $3M in annual revenue. The organization has 35 disclosed officers and directors.

No red flags have been detected for Clapham School. 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.

Clapham School has a GiveRadar Integrity Assessment of 89/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 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.

Clapham is a Pre-K through 12 independent school located in Wheaton, IL committed to education founded on a Christian worldview and informed by the classical tradition. Clapham School is classified as a health organization registered in United States. The organization was founded in 2006.

Among health charities registered in United States: Clapham School's GiveRadar Integrity Assessment of 89/100 is in line with the peer average of 90/100. Its annual revenue of $3M is below the peer average of $38M.

Yes, donations to Clapham School are generally tax-deductible in the United States. Clapham School is a 501(c)(3) tax-exempt organization. Its EIN is 203822878, 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 4 official sources, last refreshed .

Annual revenue
$1M-$10M
0% 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

KO
Kolby Atchison
Head Of School

Officers & trustees (13)

Source: Public filings

AN
Anders S••••
TREASURER
CA
Carolina D•••••
TREASURER
CH
Chris S•••••••••
CHAIRMAN
EL
Elise P••••
MEMBER
HE
Heinrich J••••••
TREASURER
JE
Jermiah F•••••••••
MEMBER
JO
John S•••••••
PRESIDENT
KA
Kathy B•••••
HEAD OF SCHOOL
KL
Klos K••••
Director
KO
Kolby A•••••••
HEAD OF SCHOOL
LA
Lance H•••••
MEMBER
MA
Matt F•••••
MEMBER
RA
Rachel Z••••••
SECRETARY
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
$2.9M revenue
FY2025
IRS_990
Form filed
$2.4M revenue
FY2024
IRS_990
Form filed
$2.3M revenue
FY2023
IRS_990
Form filed
$2.6M revenue
FY2022
IRS_990
Form filed
$2.4M revenue
FY2021
IRS_990
Form filed
$2.0M revenue
FY2020
IRS_990

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Peer charities

Other health in United States, by integrity assessment

Charity Score Revenue Program %
Clapham School This page 89 $2.9 million -
Dr Lorna Breen Heroes Foundation 93 $2.3 million 100%
Attune Center for Healing 93 $1.2 million 87%
Connections for Life 89 $2.8 million -
Dream on 3 89 $3.0 million -
Brain Injury Services Inc 89 $3.9 million 2%
Ellen Obrien Gaiser Addiction Center Inc 89 $4.8 million -
Center for Pranic Healing Inc 89 $1.8 million -
Community Blood Bank of Erie County 89 $8.1 million -

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 - 35 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 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 Clapham School

What is Clapham School?
Clapham School is a health school (170(b)(1)(a)(ii)) based in Wheaton, United States. Clapham is a Pre-K through 12 independent school located in Wheaton, IL committed to education founded on a Christian worldview and informed by the classical tradition.
When was Clapham School founded?
Clapham School was founded in 2006.
Who leads Clapham School?
Kolby Atchison serves as Head Of School.
Where is Clapham School located?
Headquartered in Wheaton, United States.
What is Clapham School's annual budget?
Annual revenue for fiscal year 2025 is approximately $1M-$10M. 0% of expenses go to program services.
Is Clapham School trustworthy?
Clapham School has a GiveRadar Integrity Assessment of 89 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 Clapham School's registration number?
IRS EIN: 203822878.
What is Clapham School's website?
http://claphamschool.org