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Source: IRS e-Filed Form 990 (from the IRS e-File system), Tax Year 2024
Total Revenue
▼$67.4M
Program Spending
84%
of total expenses go to program services
Total Contributions
$6.7M
Total Expenses
▼$68.8M
Total Assets
$263M
Total Liabilities
▼$37M
Net Assets
$225.9M
Officer Compensation
→$1.6M
Other Salaries
$29.3M
Investment Income
$3.4M
Fundraising
▼$352.6K
Source: USAspending.gov
No federal awards found for this organization.
USAspending.gov tracks federal grants, cooperative agreements, and other financial assistance. Not all nonprofits receive federal funding.
Source: Federal Audit Clearinghouse (fac.gov)
No federal single audit records found for this organization.
Single audits are required for entities expending $750,000+ in federal awards annually.
Tax Year 2025 · Source: IRS e-Filed Form 990
Individuals serving as officers, directors, or trustees of the organization.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other |
|---|
Source: IRS Publication 78, Auto-Revocation List & e-Postcard Data
Tax-deductible contributions: Yes
Deductibility code: PC
Sources: IRS e-Filed Form 990 (XML) & ProPublica Nonprofit Explorer
Scroll →
| Year | Revenue | Contributions | Expenses | Assets | Net Assets |
|---|---|---|---|---|---|
| 2024IRS e-File | $67.4M | $6.7M | $68.8M | $263M | $225.9M |
| 2023 | $65.1M | $12.7M | $61.7M | $255.2M | $217M |
| 2022 | $84.6M | $36.1M | $55.2M | $247.6M | $209.4M |
| 2021 | $57.6M | $12.5M | $53.5M |
Sources: ProPublica Nonprofit Explorer & IRS e-File Index
| Tax Year | Form Type | Source | Documents |
|---|---|---|---|
| 2025 | 990 | IRS e-File | PDF not yet published by IRSView Filing → |
| 2024 | 990 | DataIRS e-File | PDF not yet published by IRSView Filing → |
| 2023 | 990 | DataIRS e-File |
Financial data: IRS e-Filed Form 990 (Tax Year 2024)
Leadership & compensation: IRS e-Filed Form 990, Part VII (Tax Year 2025)
Organization info: IRS Business Master File
Tax-deductibility: IRS Publication 78
| Total |
|---|
| David L Mancos | CFO & Interim Hos (12/23 - 6/25) | 70 | $473K | $0 | $452.2K | $925.2K |
| William H Zimmern | Chair | 3 | $0 | $0 | $0 | $0 |
| Dr Lauren I Browne | Vice Chair | 3 | $0 | $0 | $0 | $0 |
| Dr Lisa M Toppin | Vice Chair | 3 | $0 | $0 | $0 | $0 |
| R Glenn Sherrill Jr | Vice Chair | 3 | $0 | $0 | $0 | $0 |
| Andrew W Tate | Vice Chair | 3 | $0 | $0 | $0 | $0 |
| Ronald E Eliasek Jr | Secretary-treasurer | 3 | $0 | $0 | $0 | $0 |
David L Mancos
CFO & Interim Hos (12/23 - 6/25)
$925.2K
Hrs/Wk
70
Compensation
$473K
Related Orgs
$0
Other
$452.2K
William H Zimmern
Chair
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Dr Lauren I Browne
Vice Chair
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Dr Lisa M Toppin
Vice Chair
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
R Glenn Sherrill Jr
Vice Chair
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Andrew W Tate
Vice Chair
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Ronald E Eliasek Jr
Secretary-treasurer
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Highest compensated employees who are not officers or directors.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other | Total |
|---|---|---|---|---|---|---|
| Katharine H Atkins | Director Of Advancement | 50 | $241.5K | $0 | $73.6K | $315.1K |
| Scott M Waybright | Assistant Head Of School Thru 12/24 | 50 | $243.8K | $0 | $25.3K | $269.1K |
| William Mulcahy | Head Of Lower School | 50 | $177.3K | $0 | $75.7K | $253K |
| Warren M Sepkowitz | Head Of Middle School | 50 | $221.1K | $0 | $25.3K | $246.4K |
| Gregory J Walters | Director Of Facilities And Operations | 50 | $204.5K | $0 | $24.6K | $229.1K |
Katharine H Atkins
Director Of Advancement
$315.1K
Hrs/Wk
50
Compensation
$241.5K
Related Orgs
$0
Other
$73.6K
Scott M Waybright
Assistant Head Of School Thru 12/24
$269.1K
Hrs/Wk
50
Compensation
$243.8K
Related Orgs
$0
Other
$25.3K
William Mulcahy
Head Of Lower School
$253K
Hrs/Wk
50
Compensation
$177.3K
Related Orgs
$0
Other
$75.7K
Members of the governing board. Board members often serve without compensation.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other | Total |
|---|---|---|---|---|---|---|
| Ali M Summerville | Trustee | 3 | $0 | $0 | $0 | $0 |
| Ann E Willey | Trustee | 3 | $0 | $0 | $0 | $0 |
| Brian F Chambers | Trustee | 3 | $0 | $0 | $0 | $0 |
| Dr Kandi Deitemeyer | Trustee | 3 | $0 | $0 | $0 | $0 |
| Dr Tiffani M Jones | Trustee | 3 | $0 | $0 | $0 | $0 |
| Howard C Bissell | Life Trustee |
Ali M Summerville
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Ann E Willey
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Brian F Chambers
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Individuals who previously served as officers or key employees.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other | Total |
|---|---|---|---|---|---|---|
| Marcel Gauthier | Former Head Of School | — | $639.1K | $0 | $9,108 | $648.2K |
Marcel Gauthier
Former Head Of School
$648.2K
Hrs/Wk
—
Compensation
$639.1K
Related Orgs
$0
Other
$9,108
| $226.2M |
| $180.5M |
| 2020 | $77.6M | $35M | $49.8M | $213.3M | $162.7M |
| 2019 | $52.3M | $7M | $49.1M | $180.3M | $135.9M |
| 2018 | $56.5M | $11.1M | $46.1M | $175.9M | $133.1M |
| 2017 | $64.1M | $19.3M | $45.3M | $154.6M | $122.6M |
| 2016 | $51.4M | $14.1M | $43.9M | $133.5M | $103.3M |
| 2015 | $44.4M | $3.6M | $41.2M | $127M | $96.3M |
| 2014 | $46.9M | $3.5M | $39.8M | $123.2M | $93M |
| 2013 | $42.5M | $3.7M | $39M | $117.9M | $85.8M |
| 2012 | $39.8M | $3.5M | $38.1M | $114.8M | $82.4M |
| 2022 | 990 | Data |
| 2021 | 990 | Data | PDF not yet published by IRS |
| 2020 | 990 | Data |
| 2019 | 990 | Data |
| 2018 | 990 | Data |
| 2017 | 990 | Data |
| 2016 | 990 | Data |
| 2015 | 990 | Data |
| 2014 | 990 | Data |
| 2013 | 990 | Data |
| 2012 | 990 | Data |
| 2011 | 990 | — |
| 2010 | 990 | — |
| 2009 | 990 | — |
| 2008 | 990 | — |
| 2007 | 990 | — |
| 2006 | 990 | — |
| 2005 | 990 | — |
| 2004 | 990 | — |
| 2003 | 990 | — |
| 2002 | 990 | — |
Warren M Sepkowitz
Head Of Middle School
$246.4K
Hrs/Wk
50
Compensation
$221.1K
Related Orgs
$0
Other
$25.3K
Gregory J Walters
Director Of Facilities And Operations
$229.1K
Hrs/Wk
50
Compensation
$204.5K
Related Orgs
$0
Other
$24.6K
| 3 |
| $0 |
| $0 |
| $0 |
| $0 |
| Jennifer J Ward | Trustee | 3 | $0 | $0 | $0 | $0 |
| Kelly Walton Miller | Trustee | 3 | $0 | $0 | $0 | $0 |
| Luis M Lluberas | Trustee | 3 | $0 | $0 | $0 | $0 |
| Luther J Blythe Jr | Trustee | 3 | $0 | $0 | $0 | $0 |
| Michael B Maguire | Trustee | 3 | $0 | $0 | $0 | $0 |
| Pontea F Dixon | Trustee | 3 | $0 | $0 | $0 | $0 |
| Sally Cannon Saussy | Life Trustee | 3 | $0 | $0 | $0 | $0 |
| Samuel B Bowles | Trustee | 3 | $0 | $0 | $0 | $0 |
| Samuel B Hood | Trustee | 3 | $0 | $0 | $0 | $0 |
| Samuel E Farnham Sr | Trustee | 3 | $0 | $0 | $0 | $0 |
| Shanon Jones | Trustee | 3 | $0 | $0 | $0 | $0 |
| Stanton D Mccullough | Trustee | 3 | $0 | $0 | $0 | $0 |
| Su Ping Lu | Trustee | 3 | $0 | $0 | $0 | $0 |
Dr Kandi Deitemeyer
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Dr Tiffani M Jones
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Howard C Bissell
Life Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Jennifer J Ward
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Kelly Walton Miller
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Luis M Lluberas
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Luther J Blythe Jr
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Michael B Maguire
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Pontea F Dixon
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Sally Cannon Saussy
Life Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Samuel B Bowles
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Samuel B Hood
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Samuel E Farnham Sr
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Shanon Jones
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Stanton D Mccullough
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0
Su Ping Lu
Trustee
$0
Hrs/Wk
3
Compensation
$0
Related Orgs
$0
Other
$0