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Stewardship· Education

Teton Science Schools

“Inspire curiosity, engagement, and leadership through place-based education.”

Home groundJackson, WY
Founded1967
KindStewardship 501(c)(3)
Led byShawn Kelley

Give to them ↗Every way to help ↓

The work

What they do

Field education in Grand Teton and Yellowstone ecosystems. Wildlife expeditions, teacher training, and school programs using national parks as classrooms.

Every year they sign one sentence and file it with the federal government: “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.”

Where the money went, FY2025

The work, and what it cost

Bringing people into the fight

$7.5M

Mountain Academy: Mountain Academy is an independent day school with campuses in Jackson, WY, and Teton Valley, ID.

Including $793,815 granted onward.

Read it as they filed it
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.

IRS Form 990 Part III, fiscal year 2025, signed under penalty of perjury.

Keeping the wild alive

$3.9M

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.

Including $327,953 granted onward.

Read it as they filed it
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.

IRS Form 990 Part III, fiscal year 2025, signed under penalty of perjury.

Keeping the wild alive

$1.8M

Wildlife Expeditions: TSSs Wildlife Expeditions is a premier wildlife tour program in Grand Teton and Yellowstone National Parks.

Including $55,830 granted onward.

Read it as they filed it
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.

IRS Form 990 Part III, fiscal year 2025, signed under penalty of perjury.

Bringing people into the fight

$879K

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 EDUCATION...

Including $94,663 granted onward.

Read it as they filed it
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.

IRS Form 990 Part III, fiscal year 2025, signed under penalty of perjury.

Follow the dollar

76 cents of every dollar goes to the work

76¢
76¢ the work22¢ keeping the lights on2¢ finding the next member

Read it as a snapshot, not a scorecard. Splits move year to year with grants and campaigns, and healthy shops live all across this range.

$14,092,170 programs, $4,153,668 management, $244,347 fundraising. Form 990, FY2025.

The people

Who does the work

239paid staff
13board members
59years on the ground
Michael WitheriteCfoComp $229,235, FY2025
Nicola JamesCpoComp $181,472, FY2025
Shawn KelleyFormer CeoComp $174,050, FY2025
Leah CorriganBoard ChairVolunteer, 10 hrs a week, $0

Chairs the 13-member board.

Honesty note: leadership comes from each year’s federal filing, so it can run a year behind. Orgs that claim their page can update it same-day. Work at TSS? Claim this page.

The filings

14 years of filings

14 years of filings

Total revenue by fiscal year, as filed. Point at the line for any year.

$10M$20M$19.6M FY2520112025
Total revenue by fiscal year
YearRevenue
2011$10,231,832
2012$18,102,665
2013$13,523,514
2014$13,209,482
2015$16,785,847
2016$14,309,027
2017$15,161,067
2018$14,292,836
2019$15,105,671
2020$14,977,593
2021$14,743,216
2022$15,385,429
2023$17,602,151
2025$19,627,894

From $10.2M in 2011 to $19.6M in FY25, across 14 public filings.

Stand with Teton Science Schools

59 years on the ground, 76 cents of every dollar on the line. That is who is holding it. There is room for one more.

Sources and methodFinancials, headcounts, and program text: IRS Form 990, FY2025 and 13 prior filings via ProPublica Nonprofit Explorer, EIN 83-0219163. Leadership and compensation: Form 990 Part VII and the return’s signature block, FY2025 filing. Org-reported figures are always labeled. Data verified as of 2026-09-23. Nothing on this page is pay-to-play.