Charity Search / ST MARKS SCHOOL OF TEXAS
Education (B200) IRS Verified DX Registered 990 on File

ST MARKS SCHOOL OF TEXAS

EIN: 75-0827460 · DALLAS, TX 75230-4047 · United States · FY 2024 Data
3 out of 5 54 / 100 Based on 2+ years of filings
Financial strength (30%) 71/100
Reliability (20%) 55/100
Effectiveness (25%) 88/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
CharityAI™ Score
Not yet evaluated
Mission Statement

St. Mark’s School of Texas is a non-sectarian, college preparatory, independent day school for boys in grades 1 to 12. In accordance with its Charter, the School aims to afford its students well-rounded physical, intellectual, and spiritual education. The School is a diverse community of teachers and students who share a love of learning and who strive for high achievement in whatever they undertake. Challenging studies in the Sciences, Arts, and Humanities form the basis of a St. Mark’s education. Teachers work to instill an enthusiasm for learning, to encourage independent and critical judgment, and to demonstrate the methods for making sound inquiries and for effective communication. To complement this academic experience, St. Mark’s offers boys a rich variety of opportunities for involvement and leadership in the school community, rewarding those who strive as well as those who achieve. St. Mark’s aims to prepare young men for assuming leadership and responsibility in a competitive and changing world. To this end, the School professes and upholds certain values. These values include the discipline of postponing immediate gratification in the interest of earning eventual, hard-won satisfaction; the responsibility of defending one’s own ideas, of respecting the views of others, and of accepting the consequences for one’s own actions; and an appreciation for the lively connection between knowledge and responsibility, privilege, and the obligation to serve.

Financial Overview — FY 2024
$55.6M
Total Revenue
$48.4M
Total Expenses
$358.7M
Net Assets
305
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 82.1%
Fundraising Efficiency 1611.7%
Operating Reserve 88.99x
Liability-to-Asset 10.8%
Revenue Diversification 58.7%
Executive Compensation $2.4M
Compared with Peers
FY 2024
Compared with 1,945 similar organizations (United States, Education, $10M–$100M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
82.1% 84.6%
P10P90
Below median
Admin expense ratio
Management and general / total expenses · lower is better
13.7% 13.3%
P10P90
Below median
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
4.2% 0.7%
P10P90
Bottom quarter
Fundraising efficiency
Fundraising expenses / gross fundraising income · lower is better
1611.7% 550.2%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
89.0 mo 10.7 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
10.8% 31.2%
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
58.7% 88.3%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
-16.4% 7.9%
P10P90
Expense growth
Year over year expense growth
5.6% 7.4%
P10P90
Surplus margin
Surplus as a share of revenue
13.1% 3.0%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $55.6M $48.4M $358.7M 82.1% 305
2023 $66.6M $45.8M $329.0M 83.7% 295
2022 $74.8M $44.2M $289.6M 74.7% 295
2021 $43.8M $42.5M N/A — 283
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Organization Details
EIN
75-0827460
State
TX
City
DALLAS
ZIP
75230-4047
Classification
B200
Category
Education
Rating
3★
Coverage
A
Last Updated
Aug 2026
IRS Ruling Year
1906
Foundation Code
11
Form 990
On File
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