The Mammoth Mountain Community Foundation concentrates its giving on K–12 education and youth athletics in the Eastern Sierra, prioritizing local school districts, school-based teams, and community sports clubs. Grants frequently support winter sports (ski & snowboard programs), school athletic teams and equipment, and place-based youth enrichment (outdoor science, alternative education), with occasional support for mental health and student services. The foundation funds organizations across Mammoth Lakes and neighboring towns (Bishop, Lee Vining, Lone Pine), favoring operational/program support for schools and youth-serving nonprofits.
Mammoth Mountain Community Foundation Inc. directs most of its giving to local K–12 education and youth athletics in the Eastern Sierra, with recurring support for school districts, school-based teams, and community sports clubs. The largest recent grant in the record was $225,463 to Mammoth Unified School District for Alternative Education Programs, followed by $161,033 and $150,000 grants to the same district in 2023 and 2025. That pattern shows a funder willing to make substantial awards to a small set of local institutions over time. The foundation’s recent grants also point to a close relationship with Mammoth-area schools. Mammoth High School received $78,700 in 2025 and $60,903 in 2024 for athletic programs, while Bishop Union High School received $120,069 in 2025 for band, choir, and athletics. Other awards support school-based enrichment such as student success programming, educational programs, and alternative education. The foundation’s portfolio is anchored in place-based youth services rather than broad regional or national grantmaking, and its recipients are concentrated in Eastern Sierra communities including Mammoth Lakes, Bishop, and nearby towns.
Alternative education is a clear priority. Mammoth Unified School District received $225,463 in 2024 and $150,000 in 2025 for Alternative Education Programs, and Bishop Home Street Middle School received $49,382 in 2025 for Alternative Education. Athletics are another major theme. Mammoth High School was awarded $78,700 in 2025 for Athletic Programs, and Bishop Home Street Middle School received $24,480 in 2024 and $16,500 in 2023 for the same purpose. The foundation also backs winter sports and outdoor activity through awards such as $161,033 to Mammoth Unified School District for Ski & Snowboard Team and $10,000 to Eastern Sierra Nordic Ski Associati for Athletic Program. Academic and enrichment supports appear alongside sports. Mammoth Elementary School received $44,701 in 2025 for the MES Student Succeed Program, and University of CA Santa Barbara received $13,170 in 2025 for Outdoor Science Education Programs.
Typical awards are mid-sized: the grant-size distribution sits at $5,520 at the 25th percentile, $10,000 at the median, and $11,500 at the 75th percentile. At the same time, the foundation makes occasional much larger school-district grants, including six-figure awards in the recent record. The pattern suggests a mix of standard program support and larger allocations to a small number of anchor institutions. Grant recipients recur across multiple years, especially Mammoth Unified School District, Mammoth High School, Bishop Home Street Middle School, Round Valley Emem School PTO, and Eastern Sierra Nordic Ski Associati. The foundation is a local grantmaker, not an individual-giving vehicle, and it does not make program-related investments.
$538K
$2.8M
$871K
$1.2M
Most grants fall between $6K and $12K, with a median of $10K.
25th Percentile
$6K
Median
$10K
75th Percentile
$12K
Eric Clark
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Concentrated, local-focused funding with repeated annual grants to the same school districts and athletic programs; a few large multi-grant recipients (notably Mammoth Unified School District) alongside many moderate-sized grants to schools and community sports clubs.
Notable grantees: Mammoth Unified School District, Mammoth High School / Mammoth High School Boosters, Bishop Union High School, Eastern Sierra Nordic Ski Association, Eastern Sierra Counseling
Giving is overwhelmingly concentrated in California, which accounts for 99% of grants in the dataset. Mammoth Lakes appears frequently, including Mammoth Unified School District, Mammoth High School, Mammoth Elementary School, Mammoth Middle School, and Eastern Sierra Nordic Ski Associati. Bishop is another major recipient hub, with Bishop Union High School, Bishop Home Street Middle School, Bishop Elementary School, Bishop Area Bike Organization, and AYSO Bishop all appearing in recent grants. Additional grants reach Lee Vining, Lone Pine, Independence, and Bridgeport.
It funds K–12 schools, school districts, boosters, and youth-serving groups. Recent grants include awards for alternative education, athletic programs, ski and snowboard teams, band and choir, educational programs, and mental health programs.
The typical grant size is $5,520 at the 25th percentile, $10,000 at the median, and $11,500 at the 75th percentile. The recent record also includes larger school-district grants above $100,000.
No. Several recipients appear in multiple years, including Mammoth Unified School District, Mammoth High School, Bishop Home Street Middle School, Round Valley Emem School PTO, and Eastern Sierra Nordic Ski Associati.
Its giving is local and almost entirely in California, which represents 99% of grants. Mammoth Lakes and Bishop are the most visible recipient centers, with additional grants in Lee Vining, Lone Pine, Independence, and Bridgeport.
The record centers on alternative education, school athletics, winter sports, and youth enrichment. Specific examples include Alternative Education Programs, Ski & Snowboard Team support, Athletic Programs, Outdoor Science Education Programs, and Mental Health Programs.
2026
Source: IRS Form 990-PF, fiscal year 2026.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| Mammoth Unified School District | Mammoth Lakes, CA | $278,128 | 2026 | Alternative Education Programs |
| Bishop Unified School District | Bishop, CA | $95,939 | 2026 | Alternative Education |
| Round Valley Emem School PTO | Bishop, CA | $14,435 | 2026 | Educational Books and Athletic Program |
| Lee Vining Elementry School | Lee Vining, CA | $12,750 | 2026 | Athletic Program |
| Mono Arts Council | Mammoth Lakes, CA | $12,575 | 2026 | Athletic Program |
| Eastern Sierra Nordic Ski Associati | Mammoth Lakes, CA | $10,000 | 2026 | Athletic Program |
| Owens Valley Unified School Distric | Independence, CA | $10,000 | 2026 | Athletic Programs |
| Lone Pine Unified School District | Lone Pine, CA | $10,000 | 2026 | Athletic Program |
| Eastern Sierra Unified School Distr | Bridgeport, CA | $10,000 | 2026 | Athletic Program |
| Eastside Student Center | Bishop, CA | $9,500 | 2026 | Mental Health Programs |
| Come to Life Homeschool CoOp | Bishop, CA | $8,500 | 2026 | Athletic Program |
| Inyo County Office of Education | Independence, CA | $7,500 | 2026 | Athletic Programs |
| UC Regents | Mammoth Lakes, CA | $6,370 | 2026 | Outdoor Science Education Programs |
| Mammoth Lakes FC | Mammoth Lakes, CA | $5,000 | 2026 | Athletic Programs |
| Sacred Rok | Yosemite National Park, CA | $5,000 | 2026 | Alternative Education |
| Mammoth Lakes Swim Team | Mammoth Lakes, CA | $5,000 | 2026 | Athletic Programs |
| Bishop Swim Team | Bishop, CA | $5,000 | 2026 | Athletic Programs |
| Bronco Youth Football and Cheer | Mammoth Lakes, CA | $5,000 | 2026 | Athletic Programs |
| Disabled Sports Eastern Sierra | Mammoth Lakes, CA | $5,000 | 2026 | Athletic Programs |
| MMSPAA | Mammoth Lakes, CA | $4,089 | 2026 | Mental Health Programs |
| Sierra STEM | June Lake, CA | $4,000 | 2026 | Educational Programs |
| Our Children First | Mammoth Lakes, CA | $4,000 | 2026 | Athletic Programs |
| Church on the Mountain | Crowley Lake, CA | $3,926 | 2026 | Athletic Program |
| Rotary Club of Bishop Sunrise | Bishop, CA | $3,500 | 2026 | Educational Programs |
| Lee Vining High School | Lee Vining, CA | $2,355 | 2026 | Athletic Program |
| Mammoth Unified School District | Mammoth Lakes, CA | $150,000 | 2025 | Alternative Education Programs |
| Bishop Union High School | Bishop, CA | $120,069 | 2025 | Band and Choir Program and Athletic Prog |
| Mammoth High School | Mammoth Lakes, CA | $78,700 | 2025 | Athletic Programs |
| Bishop Home Street Middle School | Bishop, CA | $49,382 | 2025 | Alternative Education |
| Mammoth Elementary School | Mammoth Lakes, CA | $44,701 | 2025 | MES Student Succeed Program |
| Bishop Elementary School | Bishop, CA | $27,268 | 2025 | Educational Programs |
| Lee Vining Elementry School | Lee Vining, CA | $15,000 | 2025 | Athletic Program |
| Round Valley Emem School PTO | Bishop, CA | $14,168 | 2025 | Educational Books and Athletic Program |
| University of CA Santa Barbara | Santa Barbara, CA | $13,170 | 2025 | Outdoor Science Education Programs |
| Mammoth Middle School | Mammoth Lakes, CA | $11,500 | 2025 | Educational Programs |
| Come to Life Homeschool Co-Op | Bishop, CA | $10,000 | 2025 | Athletic Program |
| Bronco Youth Football and Cheer | Mammoth Lakes, CA | $10,000 | 2025 | Athletic Programs |
| Eastern Sierra Nordic Ski Associati | Mammoth Lakes, CA | $10,000 | 2025 | Athletic Program |
| Owens Valley Unified School Distric | Independence, CA | $10,000 | 2025 | Athletic Programs |
| Mammoth Lakes Football Club | Mammoth Lakes, CA | $10,000 | 2025 | Athletic Programs |
| Eastern Sierra Counseling | Mammoth Lakes, CA | $10,000 | 2025 | Mental Health Programs |
| AYSO Bishop | Bishop, CA | $10,000 | 2025 | Athletic Program |
| Eastern Sierra Unified School Distr | Bridgeport, CA | $10,000 | 2025 | Athletic Program |
| Bishop Area Bike Organization | Bishop, CA | $10,000 | 2025 | Bike Park Expansion |
| Lone Pine Unified School District | Mammoth Lakes, CA | $10,000 | 2025 | Athletic Program |
| Eastside Student Center | Bishop, CA | $10,000 | 2025 | Educational Programs |
| Mammoth Lakes Youth Hockey | Mammoth Lakes, CA | $9,790 | 2025 | Athletic Programs |
| Big Pine Unified School District | Big Pine, CA | $8,650 | 2025 | Athletic Program |
| Clean Up the Cayes | Mammoth Lakes, CA | $7,500 | 2025 | Clean Up Reacreation Areas |
| Mono Arts Council | Mammoth Lakes, CA | $7,325 | 2025 | Education Programs |
Mammoth Unified School District
$278,128Alternative Education Programs
Bishop Unified School District
$95,939Alternative Education
Round Valley Emem School PTO
$14,435Educational Books and Athletic Program
Lee Vining Elementry School
$12,750Athletic Program
Mono Arts Council
$12,575Athletic Program
Eastern Sierra Nordic Ski Associati
$10,000Athletic Program
Owens Valley Unified School Distric
$10,000Athletic Programs
Lone Pine Unified School District
$10,000Athletic Program
Eastern Sierra Unified School Distr
$10,000Athletic Program
Eastside Student Center
$9,500Mental Health Programs
Come to Life Homeschool CoOp
$8,500Athletic Program
Inyo County Office of Education
$7,500Athletic Programs
UC Regents
$6,370Outdoor Science Education Programs
Mammoth Lakes FC
$5,000Athletic Programs
Mammoth Lakes Swim Team
$5,000Athletic Programs
Bishop Swim Team
$5,000Athletic Programs
Bronco Youth Football and Cheer
$5,000Athletic Programs
Disabled Sports Eastern Sierra
$5,000Athletic Programs
MMSPAA
$4,089Mental Health Programs
Sierra STEM
$4,000Educational Programs
Our Children First
$4,000Athletic Programs
Church on the Mountain
$3,926Athletic Program
Rotary Club of Bishop Sunrise
$3,500Educational Programs
Lee Vining High School
$2,355Athletic Program
Mammoth Unified School District
$150,000Alternative Education Programs
Bishop Union High School
$120,069Band and Choir Program and Athletic Prog
Mammoth High School
$78,700Athletic Programs
Bishop Home Street Middle School
$49,382Alternative Education
Mammoth Elementary School
$44,701MES Student Succeed Program
Bishop Elementary School
$27,268Educational Programs
Lee Vining Elementry School
$15,000Athletic Program
Round Valley Emem School PTO
$14,168Educational Books and Athletic Program
University of CA Santa Barbara
$13,170Outdoor Science Education Programs
Mammoth Middle School
$11,500Educational Programs
Come to Life Homeschool Co-Op
$10,000Athletic Program
Bronco Youth Football and Cheer
$10,000Athletic Programs
Eastern Sierra Nordic Ski Associati
$10,000Athletic Program
Owens Valley Unified School Distric
$10,000Athletic Programs
Mammoth Lakes Football Club
$10,000Athletic Programs
Eastern Sierra Counseling
$10,000Mental Health Programs
AYSO Bishop
$10,000Athletic Program
Eastern Sierra Unified School Distr
$10,000Athletic Program
Bishop Area Bike Organization
$10,000Bike Park Expansion
Lone Pine Unified School District
$10,000Athletic Program
Eastside Student Center
$10,000Educational Programs
Mammoth Lakes Youth Hockey
$9,790Athletic Programs
Big Pine Unified School District
$8,650Athletic Program
Mono Arts Council
$7,325Education Programs