Nonprofit · EIN 83-0219163
TETON SCIENCE SCHOOLS
Tax-exempt · JACKSON, WY 83001
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| May 31, 2025 | 990 | $19,627,894 | $18,490,185 | $1,137,709 | $53,910,485 | $7,525,305 | $46,385,180 |
| May 31, 2024 | 990 | $16,987,641 | $17,111,579 | -$123,938 | $51,572,144 | $6,324,673 | $45,247,471 |
| May 31, 2023 | 990 (amended) | $16,184,734 | $17,872,749 | -$1,688,015 | $49,998,170 | $4,626,761 | $45,371,409 |
Financial details: 990 for the year ended May 31, 2025
Revenue
- Contributions, gifts and grants
- $7,807,421
- Program service revenue
- $10,023,972
- Investment income
- $1,796,501
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $1,272,261
- Compensation of officers, directors and key employees
- $390,321
- Other salaries and wages
- $7,330,056
- Salaries, compensation and benefits (total)
- $9,384,141
- Professional fundraising fees
- $0
- Occupancy
- $536,049
- Travel
- $142,617
- Depreciation
- $725,986
- Program services (functional)
- $14,092,170
- Management and general (functional)
- $4,153,668
- Fundraising (functional)
- $244,347
Balance sheet and other
- Total assets, start of year
- $51,572,144
- Total assets, end of year
- $53,910,485
- Total liabilities, end of year
- $7,525,305
- Net assets, end of year
- $46,385,180
- Land, buildings and equipment
- $27,782,434
- Publicly traded securities
- $22,549,004
- Net assets without donor restrictions
- $23,639,198
- Net assets with donor restrictions
- $22,745,982
- Gross receipts
- $19,627,894
- Employees
- 239
- Year formed
- 1974
- State of legal domicile
- WY
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 May 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MICHAEL WITHERITE | CFO Officer | 40 | $229,235 | $45,995 |
| NICOLA JAMES | CPO | 40 | $181,472 | $22,381 |
| SHAWN KELLEY | FORMER CEO | 0 | $174,050 | $6,490 |
| JOSHUA KLEYMAN | Director of CE | 40 | $128,355 | $41,005 |
| ATHALIA POUTIATINE | HEAD OF SCHOOL | 40 | $112,103 | $37,298 |
| LESLIE COOK | Director of TLC | 40 | $102,019 | $18,494 |
| SAMUEL DRAGOO | PSD | 40 | $109,994 | $3,274 |
| GEORGE ANGELO | MEMBER Trustee or director | 1 | $0 | $0 |
| MARY ASHWORTH | MEMBER Trustee or director | 1 | $0 | $0 |
| RICH BLOOM | BOARD TREASURER Trustee or director, Officer | 10 | $0 | $0 |
| ANDREW CHUNG | MEMBER Trustee or director | 1 | $0 | $0 |
| LEAH CORRIGAN | BOARD CO-CHAIR Trustee or director, Officer | 10 | $0 | $0 |
| ASHLEY FINAN | Secretary Trustee or director, Officer | 2 | $0 | $0 |
| KRYSTINA KALY | MEMBER Trustee or director | 1 | $0 | $0 |
| FRED KELLER | MEMBER Trustee or director | 3 | $0 | $0 |
5 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| M MARGARET MCKEOWN | MEMBER Trustee or director | 2 | $0 |
| JACK NUNN | MEMBER Trustee or director | 3 | $0 |
| KEITH PETERS | MEMBER Trustee or director | 1 | $0 |
| HEATHER PARK REED | MEMBER Trustee or director | 1 | $0 |
| DOUG WACHOB PhD | BOARD CO-CHAIR Trustee or director, Officer | 2 | $0 |
990 for the year ended May 31, 2024: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SHAWN KELLY | CEO Officer | 40 | $343,357 | $103,142 |
| MIKE WITHERITE | CFO Officer | 40 | $182,936 | $68,549 |
| NICOLA JAMES | CPO | 40 | $175,032 | $36,395 |
| JOSHUA KLEYMAN | CPO | 40 | $123,569 | $81,301 |
| TIFFANY KELLY | DEM | 40 | $169,944 | $154 |
| SAMUEL DRAGOO | PSD | 40 | $104,856 | $1,281 |
| PETE REGAN | Finance Joint C Trustee or director | 5 | $0 | $0 |
| LEAH CORRIGAN | Chairman Trustee or director, Officer | 2 | $0 | $0 |
| TRACY AMMERMAN | Member Trustee or director | 2 | $0 | $0 |
| MARIA DAMON | Member Trustee or director | 2 | $0 | $0 |
| ASHLEY FINAN | Joint Chairman Trustee or director, Officer | 2 | $0 | $0 |
| FRED KELLER | Finance Chair Trustee or director, Officer | 1 | $0 | $0 |
| ANDREW CHUNG | Member Trustee or director | 1 | $0 | $0 |
| M MARGARET MCKEOWN | Member Trustee or director | 2 | $0 | $0 |
990 for the year ended May 31, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SHAWN KELLY | CEO | 50 | $328,290 |
| MIKE WITHERITE | CFO | 50 | $170,375 |
| NICOLA JAMES | CPO | 50 | $164,124 |
| DIANNE BREDERSON | CAO | 50 | $127,164 |
| JOSHUA KLEYMAN | CPO | 50 | $105,370 |
| SANDIA CHIO | CBO | 50 | $103,446 |
| PETE REGAN | Chairman Trustee or director, Officer | 5 | $0 |
| MARK SNELL | Secretary Trustee or director, Officer | 2 | $0 |
| PHIL COOSAIA | FINANCE CHAIR Trustee or director, Officer | 2 | $0 |
| MARINA MARRELLI | MNTN ACAD CHAIR Trustee or director, Officer | 2 | $0 |
| DAVE BROWN | EDUCATION CHAIR Trustee or director, Officer | 2 | $0 |
| JIMMY BARTZ | BOARD MEMBER Trustee or director | 1 | $0 |
| ANDREW CHUNG | BOARD MEMBER Trustee or director | 1 | $0 |
| HEIDI JOST | BOARD MEMBER Trustee or director | 1 | $0 |
| NANCY LEON | BOARD MEMBER Trustee or director | 1 | $0 |
| M MARGARET MCKEOWN | BOARD MEMBER Trustee or director | 1 | $0 |
| KATE MUIR WELSH | BOARD MEMBER Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 700 COYOTE CANYON RD, JACKSON, WY 83001-9562
- In care of
- % ACCOUNTS PAYABLE
- Signed the 990
- RICHARD BLOOM, BOARD TREASURER
- Phone
- (307) 733-3729
- Website
- WWW.TETONSCIENCE.ORG
- Return prepared by
- Carver Florek & James LLC
Mission
DELIVERING PLACE-BASED EDUCATION PROGRAMMING TO STUDENTS OF ALL AGES THROUGH FIELD EDUCATION, TEACHER PROFESSIONAL DEVELOPMENT, VISITOR ENGAGEMENT, AND PRE K THROUGH 8TH GRADE EDUCATION. TETON SCIENCE SCHOOLS MISSION IS TO CONNECT PEOPLE, PLACE, AND NATURE THROUGH EDUCATION.
Program accomplishments
- Mountain Academy: Mountain Academy is an independent day school with campuses in Jackson, WY, and Teton Valley, ID. The school serves 183 students pre-K through grade 8 with an innovative curriculum that integrates academic excellence, creativity, and critical thinking with outdoor experiences and service learning. Mountain Academy students complete the program prepared for high school and equipped with the skills to engage and participate in their communities and beyond. During the summer months, Mountain Academy served 357 youth in educational summer camp programs.Expenses $7,467,815 · grants $793,815 · revenue $3,664,749
- Field Education: Last year, 5,222 youth from Wyoming, the Rocky Mountain West, and across the country came to TSS to experience hands-on science and outdoor learning. In these multi-day programs, students explored wildlife ecology, geology, and land stewardship while developing resilience, teamwork, and leadership. These experiences create lasting connections to nature and empower young people to see themselves as capable learners and conservation stewards.Expenses $3,923,390 · grants $327,953 · revenue $3,512,267
- Wildlife Expeditions: TSSs Wildlife Expeditions is a premier wildlife tour program in Grand Teton and Yellowstone National Parks. These tours, guided by expert naturalists, introduced 5,225 visitors from around the globe to the regions wildlife, landscapes, and conservation stories. Wildlife Expeditions also generates critical earned income that supports TSS programs and helps sustain our nonprofit mission.Expenses $1,822,144 · grants $55,830 · revenue $1,746,077
- Professional Learning: APPROXIMATELY 600 CURRENT STUDENTS, AND ASPIRING EDUCATORS, AS WELL AS 9 SCHOOLS, PARTICIPATED IN PROFESSIONAL LEARNING THROUGH A RANGE OF PROFESSIONAL DEVELOPMENT OPPORTUNITIES COMBINING EDUCATIONAL THEORY, PRACTICAL APPLICATIONS, INNOVATIVE LEADERSHIP STRATEGIES AND MENTORSHIP.TSS advances the practice of place-based education nationwide and internationally by training teachers, school leaders, and community educators. Through workshops, online resources, and long-term partnerships, TSS provided 1,309 educators with the tools to transform their teaching and strengthen community connections. This work scales the TSS mission far beyond our own classrooms, equipping educators across the United States and abroad to engage students through the places they live.Expenses $878,821 · grants $94,663 · revenue $947,737
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 May, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | May 31, 2026 | October 15, 2026 | Not on file |
| 2024 | May 31, 2025 | October 15, 2025 | 990 on file |
| 2023 | May 31, 2024 | October 15, 2024 | 990 on file |
IRS record
- EIN
- 83-0219163
- 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
- May
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C60Z)
- Assets (IRS master file)
- $53,910,485
- Income (IRS master file)
- $19,627,894
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | May 2025 | $19,627,894 | $18,490,185 | $53,910,485 | XML |
| 990 | May 2024 | $16,987,641 | $17,111,579 | $51,572,144 | IRS |
| 990 | May 2023 | $16,184,734 | $17,872,749 | $49,998,170 | XML |
| 990 | May 2022 | $15,385,429 | $15,970,625 | $52,431,834 | IRS |
| 990 | May 2021 | – | – | – | IRS |
| 990 | May 2020 | – | – | – | IRS |
| 990 | May 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 83-0219163).
Questions about TETON SCIENCE SCHOOLS
- What is the EIN of TETON SCIENCE SCHOOLS?
- The employer identification number (EIN) of TETON SCIENCE SCHOOLS is 83-0219163.
- Is TETON SCIENCE SCHOOLS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
- Are donations to TETON SCIENCE SCHOOLS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TETON SCIENCE SCHOOLS 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 TETON SCIENCE SCHOOLS due?
- The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TETON SCIENCE SCHOOLS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended May 2025.
- Who are the officers and directors of TETON SCIENCE SCHOOLS?
- The 990 for the year ended May 31, 2025 lists 20 people; 7 received compensation from the organization, the highest $229,235 (MICHAEL WITHERITE, CFO).
- How much revenue does TETON SCIENCE SCHOOLS have?
- On its 990 for the year ended May 31, 2025 it reported revenue of $19,627,894, expenses of $18,490,185 and total assets of $53,910,485 at year end.
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