Nonprofit · EIN 75-1450819
WINSTON SCHOOL
Tax-exempt · DALLAS, TX 75229
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $5,848,382 | $7,003,786 | -$1,155,404 | $15,171,656 | $1,609,395 | $13,562,261 |
| June 30, 2024 | 990 | $5,284,823 | $7,400,353 | -$2,115,530 | $15,295,017 | $1,354,915 | $13,940,102 |
| June 30, 2023 | 990 | $5,833,849 | $7,057,864 | -$1,224,015 | $16,274,716 | $1,342,071 | $14,932,645 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $462,489
- Program service revenue
- $5,231,521
- Investment income
- $22,055
- Net rental income
- $71,384
- Net gain from sales of assets
- $218
- Net income from fundraising events
- $55,458
- Net income from gaming
- $5,475
- Other revenue
- $132,317
Expenses
- Grants and similar amounts paid
- $919,783
- Compensation of officers, directors and key employees
- $368,842
- Other salaries and wages
- $3,223,272
- Salaries, compensation and benefits (total)
- $4,124,744
- Professional fundraising fees
- $0
- Accounting fees
- $42,205
- Occupancy
- $189,392
- Depreciation
- $517,498
- Program services (functional)
- $5,329,947
- Management and general (functional)
- $1,592,783
- Fundraising (functional)
- $81,056
Balance sheet and other
- Total assets, start of year
- $15,295,017
- Total assets, end of year
- $15,171,656
- Total liabilities, end of year
- $1,609,395
- Net assets, end of year
- $13,562,261
- Land, buildings and equipment
- $6,965,648
- Publicly traded securities
- $7,036,044
- Net assets without donor restrictions
- $5,696,888
- Net assets with donor restrictions
- $7,865,373
- Gross receipts
- $7,888,540
- Employees
- 66
- Volunteers
- 50
- Year formed
- 1974
- State of legal domicile
- TX
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Jennifer Milam | Head of School Officer | 45 | $200,000 | $17,590 |
| Mario Porro | Business Oficer Officer | 45 | $125,858 | $10,393 |
| Debra Sass | Director of Lower School Highest-paid employee | 45 | $124,017 | $5,857 |
| Christopher Ames | Director of Upper School Highest-paid employee | 45 | $121,975 | $4,731 |
| Shannon Roberts | Director of Admissions Highest-paid employee | 45 | $109,019 | $6,942 |
| Lynn Marie Mallery | Secretary & Parliamentarian Trustee or director, Officer | 5 | $0 | $0 |
| Michelle Early | Board Chair Trustee or director, Officer | 5 | $0 | $0 |
| Randall Horton | Treasurer Trustee or director, Officer | 5 | $0 | $0 |
| Arnold Holtberg | Trustee Trustee or director | 2 | $0 | $0 |
| Augustus Lyons | Trustee Trustee or director | 2 | $0 | $0 |
| Bobby Brannon | Trustee Trustee or director | 2 | $0 | $0 |
| Caroline Perini | Trustee Trustee or director | 2 | $0 | $0 |
| Craig Lentzsch | Trustee Trustee or director | 2 | $0 | $0 |
| Jennifer Corrigan | Trustee Trustee or director | 2 | $0 | $0 |
| Jill Reagor Smith | Trustee Trustee or director | 2 | $0 | $0 |
12 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Joseph Darkak III | Trustee Trustee or director | 2 | $0 |
| Joshua King | Trustee Trustee or director | 2 | $0 |
| Kenneth Womack | Trustee Trustee or director | 2 | $0 |
| Lee Sanders | Trustee Trustee or director | 2 | $0 |
| Maryanne Faubel | Trustee Trustee or director | 2 | $0 |
| Michele Garza | Trustee Trustee or director | 2 | $0 |
| Nancy Hodge | Trustee Trustee or director | 2 | $0 |
| Ngina Hardy | Trustee Trustee or director | 2 | $0 |
| Nicholas Cade | Trustee Trustee or director | 2 | $0 |
| Rhea Wolfram | Trustee Trustee or director | 2 | $0 |
| Robert Hays | Trustee Trustee or director | 2 | $0 |
| William Moore | Trustee Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 27 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| REBBIE EVANS | HEAD OF SCHOOL Officer | 50 | $227,861 | $17,697 |
| MARIO PORRO | BUSINESS OFFICER Officer | 45 | $122,788 | $13,518 |
| Christopher Ames | Director of Upper School Highest-paid employee | 45 | $119,000 | $8,598 |
| Stacey Kimbriel | Director of Lower & Middle School Highest-paid employee | 45 | $119,000 | $0 |
| Shannon Roberts | Director of Development Highest-paid employee | 45 | $102,763 | $11,723 |
| DEBRA SASS | DIRECTOR OF READING LAB Highest-paid employee | 45 | $104,355 | $4,680 |
| MICHELLE EARLY | BOARD CHAIR Trustee or director, Officer | 5 | $0 | $0 |
| RANDALL HORTON | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| ARNOLD HOLTBERG | TRUSTEE Trustee or director | 3 | $0 | $0 |
| BENJAMIN HAGAN | TRUSTEE Trustee or director | 3 | $0 | $0 |
| BOBBY BRANNON | TRUSTEE Trustee or director | 3 | $0 | $0 |
| CAROLINE PERINI | TRUSTEE Trustee or director | 3 | $0 | $0 |
| CRAIG LENTZSCH | TRUSTEE Trustee or director | 5 | $0 | $0 |
| JENNIFER CORRIGAN | TRUSTEE Trustee or director | 5 | $0 | $0 |
| JILL REAGOR SMITH | TRUSTEE Trustee or director | 3 | $0 | $0 |
| JOHN THOMPSON | TRUSTEE Trustee or director | 3 | $0 | $0 |
| JOSHUA KING | TRUSTEE Trustee or director | 3 | $0 | $0 |
| JOSPEH DARLAK | TRUSTEE Trustee or director | 3 | $0 | $0 |
| KENNETH WOMACK | TRUSTEE Trustee or director | 3 | $0 | $0 |
| LEE SANDERS | TRUSTEE Trustee or director | 5 | $0 | $0 |
| LYNN MARIE MALLERY | Secretary Trustee or director | 5 | $0 | $0 |
| MICHELLE GARZA | TRUSTEE Trustee or director | 3 | $0 | $0 |
| NANCY HODGE | TRUSTEE Trustee or director | 3 | $0 | $0 |
| NICHOLAS CADE | TRUSTEE Trustee or director | 3 | $0 | $0 |
| RHEA WOLFRAM | TRUSTEE Trustee or director | 3 | $0 | $0 |
| ROBERT HAYS | TRUSTEE Trustee or director | 3 | $0 | $0 |
| WILLIAM MOORE | TRUSTEE Trustee or director | 3 | $0 | $0 |
990 for the year ended June 30, 2023: 25 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| REBBIE EVANS | HEAD OF SCHOOL Officer | 50 | $221,703 | $16,151 |
| MARIO PORRO | BUSINESS OFFICER Officer | 45 | $118,636 | $12,050 |
| MICHELLE SPOONMORE | ASSISTANT HEAD OF SCHOOL Highest-paid employee | 45 | $118,450 | $10,826 |
| DEBRA SASS | DIRECTOR OF READING LAB Highest-paid employee | 45 | $104,480 | $5,254 |
| ARNOLD HOLTBERG | TRUSTEE Trustee or director | 3 | $0 | $0 |
| BENJAMIN HAGEN | TRUSTEE Trustee or director | 3 | $0 | $0 |
| BOBBY BRANNON | TRUSTEE Trustee or director | 3 | $0 | $0 |
| CAROLINE PERINI | TRUSTEE Trustee or director | 3 | $0 | $0 |
| CRAIG LENTZSCH | TRUSTEE Trustee or director | 5 | $0 | $0 |
| JENNIFER CORRIGAN | TRUSTEE Trustee or director | 5 | $0 | $0 |
| JILL REAGOR SMITH | TRUSTEE Trustee or director | 3 | $0 | $0 |
| JOHN THOMPSON | TRUSTEE Trustee or director | 3 | $0 | $0 |
| JOSPEH DARLAK | TRUSTEE Trustee or director | 3 | $0 | $0 |
| JOSHUA KING | TRUSTEE Trustee or director | 3 | $0 | $0 |
| KENNETH WOMACK | TRUSTEE Trustee or director | 3 | $0 | $0 |
| LEE SANDERS | TRUSTEE Trustee or director | 5 | $0 | $0 |
| LYNN MARIE MALLERY | TRUSTEE Trustee or director | 3 | $0 | $0 |
| MICHELLE EARLY | BOARD CHAIR Trustee or director, Officer | 5 | $0 | $0 |
| MICHELLE GARZA | TRUSTEE Trustee or director | 3 | $0 | $0 |
| NANCY HODGE | TRUSTEE Trustee or director | 3 | $0 | $0 |
| NICHOLAS CADE | TRUSTEE Trustee or director | 3 | $0 | $0 |
| RANDALL HORTON | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| RHEA WOLFRAM | TRUSTEE Trustee or director | 3 | $0 | $0 |
| ROBERT HAYS | TRUSTEE Trustee or director | 3 | $0 | $0 |
| WILLIAM MOORE | TRUSTEE Trustee or director | 3 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 5707 ROYAL LN, DALLAS, TX 75229-5536
- In care of
- % MR MARIO R PORRO
- Principal officer (990 for 2024)
- MICHELLE EARLY, 5707 ROYAL LANE, DALLAS, TX 75229
- Signed the 990
- Mario Porro, Business Officer
- Phone
- (214) 691-6950
- Website
- WWW.WINSTON-SCHOOL.ORG
- Return prepared by
- Forvis Mazars LLP
Mission
The Winston School Is A Small College Preparatory School Designed To Maximize The Potential Of Bright Students Who Learn Differently. Through individualized Learning Strategies Our Students Are Empowered To Meet Confidently The Challenges Of Tomorrow.
Program accomplishments
- THE WINSTON SCHOOL: EDUCATIONAL INSTRUCTION FOR GRADES K-12 FOR STUDENTS IN THE DFW AREA WHO HAVE DIAGNOSED LEARNING DIFFERENCES. THE WINSTON SCHOOL IS ACCREDITED BY THE INDEPENDENT SCHOOLS ASSOCIATION OF THE SOUTHWEST AND THE NATIONAL ASSOCIATION OF INDEPENDENT SCHOOLS. WINSTON EMPHASIZES CORE STUDIES IN READING, LITERATURE, WRITING, MATH, SCIENCE, AND SOCIAL STUDIES. THE RIGOROUS CURRICULUM IS SUPPLEMENTED WITH FIVE SPECIALIZED PROGRAMS: PERFORMING ARTS ACADEMY, FINE ARTS ACADEMY, SOLAR SCIENCE ACADEMY, WORLD CULTURES ACADEMY, AND SERVICE LEARNING ACADEMY. THESE PROGRAMS FURTHER ENHANCE CREATIVITY, TEAM BUILDING, PROBLEM SOLVING, AND INNOVATIVE THOUGHT PROCESSES.Expenses $5,240,319 · grants $919,783 · revenue $5,231,241
- SOLAR SCIENCE ACADEMY: AN ELITE PROGRAM FOR STUDENTS INTERESTED IN AN IN-DEPTH HANDS ON UNDERSTANDING OF STEM - SCIENCE, TECHNOLOGY, ENGINEERING, MATH, AND ALTERNATIVE ENERGY. PARTICIPANTS EXPERIENCE BUILDING, MAINTAINING, AND DRIVING A SOLAR CAR, PARTICIPATE IN SOLAR CAR RACES ON A CLOSED TRACK AND ON THE OPEN ROAD IN A CROSS COUNTRY RACE, AND LEARN BUSINESS AND TEAM BUILDING SKILLS.Expenses $59,627 · revenue $280
- FINE ARTS ACADEMY: A TAILOR-MADE PROGRAM THAT IS OFFERED TO STUDENTS WHO DEMONSTRATE TRUE DEDICATION AND PROMISE IN 2D & 3D ART AND PHOTOGRAPHY. STUDENTS ARE REQUIRED TO COMPLETE A MINIMUM OF SIX POLISHED ART PIECES A YEAR, SKETCHBOOK ASSIGNMENTS, AND WRITTEN RESEARCH. STUDENTS ALSO COMPLETE A FULL YEAR ONLINE ART HISTORY COURSE.Expenses $30,001
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 75-1450819
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1974
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $15,171,656
- Income (IRS master file)
- $7,888,540
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $5,848,382 | $7,003,786 | $15,171,656 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $5,284,823 | $7,400,353 | $15,295,017 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $5,833,849 | $7,057,864 | $16,274,716 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $5,658,935 | $6,723,070 | $16,489,429 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 75-1450819).
Questions about WINSTON SCHOOL
- What is the EIN of WINSTON SCHOOL?
- The employer identification number (EIN) of WINSTON SCHOOL is 75-1450819.
- Is WINSTON SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
- Are donations to WINSTON SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does WINSTON SCHOOL file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of WINSTON SCHOOL due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WINSTON SCHOOL last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of WINSTON SCHOOL?
- The 990 for the year ended June 30, 2025 names MICHELLE EARLY.
- Who are the officers and directors of WINSTON SCHOOL?
- The 990 for the year ended June 30, 2025 lists 27 people; 5 received compensation from the organization, the highest $200,000 (Jennifer Milam, Head of School).
- How much revenue does WINSTON SCHOOL have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $5,848,382, expenses of $7,003,786 and total assets of $15,171,656 at year end.
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