St Marks School of Texas
10600 Preston Rd, Dallas, TX · IRS data through FY2025
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2025 | $46,400,356 | $51,680,080 | $378,488,668 |
| FY2024 | $55,629,895 | $48,368,309 | $358,700,951 |
| FY2023 | $66,581,417 | $45,822,973 | $328,962,526 |
| FY2022 | $74,767,841 | $44,168,005 | $289,589,170 |
| FY2021 | $39,530,532 | $42,548,298 | $274,934,395 |
| FY2020 | $45,686,307 | $37,337,037 | $241,661,183 |
| FY2019 | $41,420,185 | $36,779,693 | $234,726,501 |
| FY2018 | $41,651,672 | $36,464,052 | $229,534,159 |
| FY2017 | $52,126,497 | $33,501,073 | $220,599,409 |
| FY2016 | $36,664,258 | $33,028,007 | $191,116,736 |
| FY2015 | $34,449,577 | $30,902,584 | $196,987,392 |
| FY2014 | $32,790,191 | $30,061,999 | $199,066,476 |
| FY2013 | $39,622,653 | $30,803,130 | $182,550,554 |
| FY2012 | $37,002,352 | $28,998,304 | $165,751,443 |
Form 990 filings
The returns filed by St Marks School of Texas (EIN 75-0827460), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $8,366,333 | 18% |
| Program service revenue | $33,922,622 | 73% |
| Other revenue | $4,111,401 | 9% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $43,145,789 | 83% |
| Management & general | $6,307,760 | 12% |
| Fundraising | $2,226,531 | 4% |
What the numbers show
- Program service revenue made up 73% of total revenue in FY2025.
- Program services accounted for 83% of functional expenses, management & general 12%, and fundraising 4%.
- 83% of functional expenses went to program services in FY2025. That is higher than 51.3% of 236 Education organizations in TX.
- Net assets covered about 87.9 months of expenses at the end of the reporting year. That puts it in the 83rd percentile among 4180 Education organizations in TX.
- Total revenue was higher than 98.5% of 4316 Education organizations in TX.
- Total revenue rose from $37,002,352 in FY2012 to $46,400,356 in FY2025. Revenue increased in 6 and decreased in 7 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 2 of 14 reported years (FY2021, FY2025).
- The highest revenue on record here is $74,767,841 in FY2022.
- Net assets grew from $165,751,443 to $378,488,668 between FY2012 and FY2025.
- Contributions and grants made up 35% of revenue in FY2012 and 18% in FY2025.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
ST. MARK'S SCHOOL OF TEXAS, IS A PRIVATE, NON-PROFIT, NON-SECTARIAN, INDEPENDENT, COLLEGE PREPARATORY DAY SCHOOL FOR BOYS GRADES 1 THROUGH 12. THE SCHOOL AIMS TO AFFORD ITS STUDENTS WELL-ROUNDED PHYSICAL, INTELLECTUAL AND SPIRITUAL EDUCATION.
IRS status
| Ruling year | 1952 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | B200 — Education (in TX) |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
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Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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