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St Mark's School of Southborough

Southborough, MA · EIN 04-2103623 · 501(c)(3) · School
Latest filing: Form 990 for the fiscal year ending June 30, 2025 (tax year 2024) · View the filing · Correct or respond

St Mark's School of Southborough reported $37.0 million in revenue and $47.8 million in expenses for the fiscal year ending June 30, 2025. Of every $100 it spent, $75.71 went to program services, $17.63 to management and general costs and $6.66 to fundraising. Its largest source of revenue was program service revenue such as fees, sales and contracts: 73.5% of the total. The highest compensation it reported for one person was $912,933 (FORMER HEAD OF SCHOOL (6/30/24)). 36 people received more than $100,000 in reportable compensation. Revenue fell 3% between FY2020 and FY2025. Source: Form 990, FY2025.

Where $100 of spending went

The fiscal year ending June 30, 2025 · Form 990, Part IX, line 25 · total expenses $48M

For context, the median across 5,499 covered education charities: $85.56 programs, $13.59 management, $0.85 fundraising (medians computed separately, so they may not sum to $100).

Where $100 of revenue came from

The fiscal year ending June 30, 2025 · Form 990, Part VIII · total revenue $37M

The 990 scorecard · same measures for every charity, no grades

FY2025 filing. Median across 5,499 covered charities in this category, from their latest filings.
MeasureFY2025Median
Program services
Part IX 25(B) ÷ 25(A)
75.7%84.4%
Management & general
Part IX 25(C) ÷ 25(A)
17.6%13.4%
Fundraising
Part IX 25(D) ÷ 25(A)
6.7%0.8%
Fundraising cost per $1 of contributions
Part IX 25(D) ÷ Part VIII 1h
$0.67$0.04
Contributions & grants share of revenue
Part VIII 1h ÷ 12
12.9%19.1%
Government grants share of revenue
Part VIII 1e ÷ 12
0.0%1.1%
Program service revenue share
Part VIII 2g ÷ 12
73.5%69.9%
Highest reported compensation
Part VII-A, columns D–F
$912,933$331,578
Highest compensation as share of expenses
Part VII-A ÷ Part IX 25(A)
1.91%1.28%
People paid over $100,000
Part VII, line 2
368
Net assets, in months of expenses
Part X 33(B) ÷ monthly expenses
49.313.3
Independent voting board members
Part VI 1a–1b
28 of 29100.0%

A median is context, not a target: hospitals, universities, food banks and grantmakers spend in very different ways. What these measures can and can't tell you.

What the money paid for, in its own words

FY2025 · Form 990, Part III · the three largest programs by expense
$36M expenses · 100.0% of program spending · grants $6.8M · revenue $27M

St. Mark's School of Southborough, inc. Was founded in 1865 and provides co-educational secondary level education to approximately 375 residential and day students

Highest reported compensation

FY2025 · Form 990, Part VII, Section A · roles as filed; names are in the filing, not here
RoleFrom this orgFrom related orgsOtherTotal
FORMER HEAD OF SCHOOL (6/30/24)
Former, 40.00 hrs/week
$883,786$0$29,147$912,933
FORMER CFO (3/7/25)
Highest compensated employee, 40.00 hrs/week
$323,122$0$65,234$388,356
CHIEF ADVANCEMENT OFFICER
Highest compensated employee, 40.00 hrs/week
$304,243$0$63,603$367,846
HEAD OF SCHOOL
Director/trustee, 40.00 hrs/week
$244,682$0$16,923$261,605
DIRECTOR OF MAJOR & PRINCIPAL GIFTS
Highest compensated employee, 40.00 hrs/week
$183,261$0$55,566$238,827
DIRECTOR OF COMMUNICATIONS Q
Highest compensated employee, 40.00 hrs/week
$153,557$0$15,887$169,444

36 people received more than $100,000 in reportable compensation from St Mark's School of Southborough (Part VII, line 2). Compensation of current officers, directors and key employees totaled $489K (Part IX, line 5).

6 years of filings

Form 990, Parts I, VII, IX and X · each row is that year's own filing, linked
RevenueExpenses
$0$20M$40M$60M$80MFY2020FY2021FY2022FY2023FY2024FY2025$37M$48M
FilingRevenueExpensesProgramsNet assetsTop pay
FY2025 ⓘ$37M$48M75.7%$197M$912,933
FY2024 ⓘ$31M$45M74.7%$195M$437,522
FY2023 ⓘ$40M$43M73.2%$191M$436,206
FY2022 ⓘ$32M$40M74.6%$186M$453,490
FY2021 ⓘ$27M$39M76.0%$208M$442,967
FY2020 ⓘ$38M$35M74.4%$180M$446,833

Governance answers, as filed

FY2025 · the organization's own yes/no answers; explanations, if any, are in Schedule O of the filing · what each means
  • Voting board members, and how many are independent Part VI, lines 1a–1b29 · 28 independent
  • Audited financial statements Part XII 2bYes
  • Conflict-of-interest policy Part VI 12aYes
  • Whistleblower policy Part VI 13Yes
  • Document retention policy Part VI 14Yes
  • Independent process for top executive pay Part VI 15aYes
  • Board given the 990 before filing Part VI 11aYes
  • Family or business ties among insiders Part VI 2No
  • Aware of a significant diversion of assets Part VI 5No
  • Excess benefit transaction with an insider Part IV 25aNo
  • Loans to or from insiders outstanding Part IV 26No
  • Lobbying, or a 501(h) election in effect Part IV 4No
  • Over $15,000 of professional fundraising services Part IV 18No
  • Over $10,000 of activity outside the U.S. Part IV 14bNo
  • Employees Part I, line 5327
  • Volunteers Part I, line 611

Largest outside contractors

FY2025 · Form 990, Part VII, Section B · businesses only
FLIK INDEPENDENT SCHOOLS
Food services
$2,603,500
PREFERRED CONTRACTORS INC
Design build engineering
$890,549
FALCONI BROS INC
Oil heating
$425,779
AALANCO
Heating and air-conditioning
$361,679
ENVOYS
Experiential learning programs
$214,600

Individuals listed as contractors are left out. 8 contractors were paid more than $100,000 in all.

Private foundation grants it received

11 private foundations reported grants to St Mark's School of Southborough totaling $1.2M on their tax year 2023 Form 990-PF returns. See which foundations, on WHOFUNDS.

Source: WHOFUNDS open grant graph, matched from Form 990-PF Part XV.

Correct a figure or respond

Every number above is copied from St Mark's School of Southborough's own Form 990. If one doesn't match the filing, that's our error and we'll fix it. If you work for St Mark's School of Southborough, you can publish a response that is linked from this page.

Similar-sized charities in this cause

All education charities · Largest charities in Massachusetts

Questions people ask

How much of St Mark's School of Southborough's spending goes to programs?

In the fiscal year ending June 30, 2025, St Mark's School of Southborough reported that 75.7% of its $47.8 million in expenses went to program services, 17.6% to management and general and 6.7% to fundraising (Form 990, Part IX).

How much does St Mark's School of Southborough pay its top executive?

The largest total compensation St Mark's School of Southborough reported for one person in the fiscal year ending June 30, 2025 was $912,933, for the role of FORMER HEAD OF SCHOOL (6/30/24) (Form 990, Part VII, including compensation from related organizations and other compensation).

Where does St Mark's School of Southborough get its money?

Of $37.0 million in revenue in the fiscal year ending June 30, 2025, 12.9% came from contributions and grants and 73.5% from program service revenue (Form 990, Part VIII).

Is St Mark's School of Southborough a registered charity?

The IRS lists EIN 04-2103623 as a 501(c)(3) organization (school), and its records show contributions as tax-deductible. Form 990 filings on record here cover tax years 2019, 2020, 2021, 2022, 2023, 2024. A filing shows what the organization reported; it doesn't by itself show whether a program works.

Sources

  • FY2025: Form 990 for the fiscal year ending June 30, 2025, object 202601349349301630 · read the filing · XML
  • FY2024: Form 990 for the fiscal year ending June 30, 2024, object 202511359349300826 · read the filing
  • FY2023: Form 990 for the fiscal year ending June 30, 2023, object 202421369349318222 · read the filing
  • FY2022: Form 990 for the fiscal year ending June 30, 2022, object 202331359349306463 · read the filing
  • FY2021: Form 990 for the fiscal year ending June 30, 2021, object 202221369349315137 · read the filing
  • FY2020: Form 990 for the fiscal year ending June 30, 2020, object 202131359349301698 · read the filing

All filings for EIN 04-2103623: ProPublica Nonprofit Explorer · IRS Tax Exempt Organization Search. Figures are as the organization reported them; we have not audited them.