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REFER TO SCHEDULE OST. MARK'S SCHOOL EDUCATES YOUNG PEOPLE FOR LIVES OF LEADERSHIP AND SERVICE. FOUNDED IN 1865 AS AN INTENTIONALLY SMALL RESIDENTIAL COMMUNITY, THE SCHOOL CHALLENGES ITS STUDENTS TO DEVELOP THEIR PARTICULAR ANALYTIC AND CREATIVE CAPABILITIES BY BOTH INSPIRING THEIR ACADEMIC AND SPIRITUAL CURIOSITY AND KINDLING THEIR PASSION FOR DISCOVERY. WE VALUE COOPERATION OVER SELF-INTEREST, AND WE ENCOURAGE EACH PERSON TO EXPLORE HIS OR HER PLACE IN THE LARGER WORLD BEYOND OUR CAMPUS.
Source: IRS Form 990 (Tax Year 2024)
Source: IRS e-Filed Form 990 (from the IRS e-File system), Tax Year 2023
Total Revenue
▼$30.6M
Program Spending
75%
of total expenses go to program services
Total Contributions
$5.4M
Total Expenses
▼$44.9M
Total Assets
$256M
Total Liabilities
▼$61M
Net Assets
$194.9M
Officer Compensation
→$467.5K
Other Salaries
$15.3M
Investment Income
-$1.8M
Fundraising
▼N/A
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 2023 · Source: IRS e-Filed Form 990Schedule J available
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 |
|---|---|---|---|---|---|
| 2023IRS e-File | $30.6M | $5.4M | $44.9M | $256M | $194.9M |
| 2022IRS e-File | $40.3M | $14.5M | $43M | $253.2M | $191.1M |
| 2021 | $26.8M | $6.8M | $38.6M | $256.7M | $208M |
| 2020 | $38.3M |
Sources: ProPublica Nonprofit Explorer & IRS e-File Index
| Tax Year | Form Type | Source | Documents |
|---|---|---|---|
| 2024 | 990 | IRS e-File | |
| 2023 | 990 | DataIRS e-File | PDF not yet published by IRSView Filing → |
| 2022 | 990 | DataIRS e-File |
Financial data: IRS e-Filed Form 990 (Tax Year 2023)
Leadership & compensation: IRS e-Filed Form 990, Part VII (Tax Year 2023)
Organization info: IRS Business Master File
Tax-deductibility: IRS Publication 78
| Total |
|---|
| Michael Moore | President | 4 | $0 | $0 | $0 | $0 |
| Mark Vassallo | Treasurer | 4 | $0 | $0 | $0 | $0 |
Michael Moore
President
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Mark Vassallo
Treasurer
$0
Hrs/Wk
4
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 |
|---|---|---|---|---|---|---|
| John C Warren | Head Of School | 40 | $420.7K | $0 | $16.8K | $437.5K |
| Beatrix Sanders | Chief Advancement Officer | 40 | $297.3K | $0 | $25.3K | $322.6K |
| Robert M Kuklewicz | Chief Financial & Operations Officer | 40 | $292.8K |
John C Warren
Head Of School
$437.5K
Hrs/Wk
40
Compensation
$420.7K
Related Orgs
$0
Other
$16.8K
Beatrix Sanders
Chief Advancement Officer
$322.6K
Hrs/Wk
40
Compensation
$297.3K
Related Orgs
$0
Other
$25.3K
Robert M Kuklewicz
Chief Financial & Operations Officer
$318.1K
Hrs/Wk
40
Compensation
$292.8K
Related Orgs
$0
Other
$25.3K
Members of the governing board. Board members often serve without compensation.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other | Total |
|---|---|---|---|---|---|---|
| Elaine C Harvey | Trustee | 4 | $0 | $0 | $0 | $0 |
| Elizabeth Santini | Trustee | 4 | $0 | $0 | $0 | $0 |
| Francisco J Lopez-Balboa | Trustee | 4 | $0 | $0 | $0 | $0 |
| Gelene M Brown | Trustee | 4 | $0 | $0 | $0 | $0 |
| Jack Ling | Trustee | 4 | $0 | $0 | $0 | $0 |
| James Bartlett | Trustee |
Elaine C Harvey
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Elizabeth Santini
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Francisco J Lopez-Balboa
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
| $17.8M |
| $35M |
| $218.2M |
| $179.7M |
| 2019 | $31.1M | $10.6M | $35.5M | $219.8M | $177.5M |
| 2018 | $32.8M | $8.3M | $34.2M | $219.2M | $176.4M |
| 2017 | $24.7M | $5.7M | $32.5M | $209.5M | $164.8M |
| 2016 | $24.8M | $5.3M | $32.6M | $207.1M | $160M |
| 2015 | $24.7M | $4.8M | $31M | $216.4M | $170.8M |
| 2014 | $23.8M | $5.2M | $29.6M | $206.5M | $168.6M |
| 2013 | $34.7M | $16.3M | $28.2M | $193M | $156M |
| 2012 | $20.9M | $3.6M | $26.3M | $174.7M | $141.1M |
| 2011 | $23.1M | $7.3M | $25.5M | $181.7M | $146.6M |
| 2021 | 990 | Data | PDF not yet published by IRS |
| 2020 | 990 | Data | PDF not yet published by IRS |
| 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 | Data |
| 2010 | 990 | — |
| 2009 | 990 | — |
| 2008 | 990 | — |
| 2007 | 990 | — |
| 2006 | 990 | — |
| 2005 | 990 | — |
| 2004 | 990 | — |
| 2003 | 990 | — |
| 2002 | 990 | — |
| 2001 | 990 | — |
| $0 |
| $25.3K |
| $318.1K |
| Kenneth Griffin | Chief Technology Officer | 40 | $184K | $0 | $25.3K | $209.3K |
| Stephanie Katz | Director Of Major Gifts | 40 | $178.7K | $0 | $25.3K | $204K |
| Anne Behnke | Director Of Admission | 40 | $159.3K | $0 | $10.1K | $169.4K |
Kenneth Griffin
Chief Technology Officer
$209.3K
Hrs/Wk
40
Compensation
$184K
Related Orgs
$0
Other
$25.3K
Stephanie Katz
Director Of Major Gifts
$204K
Hrs/Wk
40
Compensation
$178.7K
Related Orgs
$0
Other
$25.3K
Anne Behnke
Director Of Admission
$169.4K
Hrs/Wk
40
Compensation
$159.3K
Related Orgs
$0
Other
$10.1K
| 4 |
| $0 |
| $0 |
| $0 |
| $0 |
| Jane He | Trustee | 4 | $0 | $0 | $0 | $0 |
| Krishna Ika | Trustee | 4 | $0 | $0 | $0 | $0 |
| Lauren Sabet | Trustee | 4 | $0 | $0 | $0 | $0 |
| Mackin Pulsifer | Trustee | 4 | $0 | $0 | $0 | $0 |
| Marissa Randazzo | Trustee | 4 | $0 | $0 | $0 | $0 |
| Mark Bechard | Trustee | 4 | $0 | $0 | $0 | $0 |
| Michelle Davis | Trustee | 4 | $0 | $0 | $0 | $0 |
| Nick Everett | Trustee | 4 | $0 | $0 | $0 | $0 |
| Patricia Alexander | Trustee, Clerk | 4 | $0 | $0 | $0 | $0 |
| Patricia Branch | Trustee | 4 | $0 | $0 | $0 | $0 |
| R William Burgess Jr | Trustee | 4 | $0 | $0 | $0 | $0 |
| Reuben Richards | Trustee | 4 | $0 | $0 | $0 | $0 |
| Reverend Preston B Hannibal | Trustee | 4 | $0 | $0 | $0 | $0 |
| Robert Randazzo | Trustee | 4 | $0 | $0 | $0 | $0 |
| Ron Sargent | Trustee | 4 | $0 | $0 | $0 | $0 |
| Russell B Pyne | Trustee | 4 | $0 | $0 | $0 | $0 |
| Sarah Bennison Machiels | Trustee | 4 | $0 | $0 | $0 | $0 |
| Sonny Cho | Trustee | 4 | $0 | $0 | $0 | $0 |
| Tarah Breed | Trustee | 4 | $0 | $0 | $0 | $0 |
| Tom Davis | Trustee | 4 | $0 | $0 | $0 | $0 |
| Vanessa Ryan | Trustee | 4 | $0 | $0 | $0 | $0 |
| Victor Lopez-Balboa | Trustee | 4 | $0 | $0 | $0 | $0 |
| Walter Clair | Trustee | 4 | $0 | $0 | $0 | $0 |
Gelene M Brown
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Jack Ling
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
James Bartlett
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Jane He
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Krishna Ika
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Lauren Sabet
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Mackin Pulsifer
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Marissa Randazzo
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Mark Bechard
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Michelle Davis
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Nick Everett
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Patricia Alexander
Trustee, Clerk
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Patricia Branch
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
R William Burgess Jr
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Reuben Richards
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Reverend Preston B Hannibal
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Robert Randazzo
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Ron Sargent
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Russell B Pyne
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Sarah Bennison Machiels
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Sonny Cho
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Tarah Breed
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Tom Davis
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Vanessa Ryan
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Victor Lopez-Balboa
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0
Walter Clair
Trustee
$0
Hrs/Wk
4
Compensation
$0
Related Orgs
$0
Other
$0