The Tianaderrah Foundation concentrates almost exclusively on independent education and arts organizations, with a strong emphasis on supporting student access through scholarships and funding special programs at small private schools and colleges. Grants are large and targeted, often supporting capital or programmatic needs rather than broad community services. The foundation favors a small number of high-impact gifts to institutions that align with traditional independent education and regional cultural institutions.
The Tianaderrah Foundation (NY) has made scholarship support a defining feature of its grantmaking, with repeated large gifts to private schools and colleges alongside major support for regional arts institutions. In the recent grants list, Hoosac School received $1,025,000 in 2023 for scholarship support, followed by additional scholarship grants of $275,000 in 2024 and $275,000 in 2025. Sweet Briar College also received $1,000,000 in 2023 for a special program. That pattern shows a funder that uses sizable, targeted awards to help students access independent education and to underwrite institutional programming. The foundation also supports cultural organizations tied to upstate New York communities. Glimmerglass Festival in Cooperstown received $240,000 in 2023, $200,000 in 2024, and $300,000 in 2025, all for general fund support. The Farmers Museum in Cooperstown received $220,000 in 2023, $220,000 in 2024, and $200,000 in 2025. Hyde Hall Inc in Cooperstown also appears repeatedly, with grants of $150,000 in 2023 and $250,000 in both 2024 and 2025. Across those grants, the foundation favors concentrated support for institutions rather than broad, distributed giving.
Independent education is central to the foundation’s grantmaking. Hoosac School in Hoosick, NY received scholarship support of $1,025,000 in 2023 and $275,000 in both 2024 and 2025, indicating a sustained emphasis on student access at a private boarding school. Higher education support also appears in gifts to Hunter College Foundation in New York, NY, which received $130,000 in 2023 and $150,000 in 2024 and 2025 for scholarships. Arts and heritage organizations are another clear area of support. Glimmerglass Festival in Cooperstown, NY received general fund grants of $240,000 in 2023, $200,000 in 2024, and $300,000 in 2025. Preservation work shows up through the Preservation League of New York State in Albany, NY at $100,000 in 2024 and the Landmarks Society of Greater Utica in Utica, NY at $135,000 in 2024 for a special program. The foundation also supports institutional special programs in higher education, including Massachusetts Institute of Technology in Cambridge, MA at $100,000 in 2024 and $100,000 in 2023.
Grant sizes cluster in the middle of the foundation’s range, with a typical award of $4,000 at the 25th percentile, $10,000 at the median, and $25,000 at the 75th percentile. The recent grants list also shows a set of much larger, targeted awards, including seven-figure gifts and repeated six-figure support for the same institutions across multiple years. Recipients often reappear year after year, especially in scholarship and arts funding. The pattern suggests ongoing institutional relationships rather than one-time transactions. The foundation funds individuals, and its grants are largely program-specific or unrestricted support to organizations, with scholarship support also present. The giving profile is local, with most grants concentrated in New York.
$3.4M
$13.5M
$2.4M
$3.4M
Most grants fall between $4K and $25K, with a median of $10K.
25th Percentile
$4K
Median
$10K
75th Percentile
$25K
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Highly concentrated giving: few, very large grants with repeat support to the same institutions; primarily one-off multi-figure gifts rather than many small awards.
Notable grantees: Hoosac School, Sweet Briar College, Glimmerglass Festival
Grantmaking is heavily centered in New York, where 84% of grants go to recipients in the HQ state and where the top state by grant count is also NY. Cooperstown appears repeatedly, including grants to Glimmerglass Festival, Hyde Hall Inc, and The Farmers Museum. New York City recipients include Hunter College Foundation and The Fenimore Art Museum. Other New York locations include Hoosick, Barryville, Utica, Albany, and Delhi. Outside New York, recipients in the recent list include Sweet Briar, Cambridge, Boston, Mount Hermon, Edgewater, and Raleigh.
The foundation concentrates on independent education and arts organizations. Recent grants include scholarship support for Hoosac School in Hoosick, NY, scholarships for Hunter College Foundation in New York, NY, and general fund support for arts and heritage groups such as Glimmerglass Festival in Cooperstown, NY and The Farmers Museum in Cooperstown, NY.
Yes. Several recipients appear in multiple years, including Hoosac School, Glimmerglass Festival, Hyde Hall Inc, The Farmers Museum, Hunter College Foundation, The Fenimore Art Museum, and The Delaware Company. The repeated awards suggest ongoing relationships rather than one-time gifts.
The typical award is $10,000 at the median, with $4,000 at the 25th percentile and $25,000 at the 75th percentile. The recent grants list also includes much larger targeted grants, including seven-figure awards for scholarship and special-program support.
Its grantmaking is highly concentrated in New York. The top state by grant count is NY, and 84% of grants go to recipients in the HQ state. Cooperstown, New York City, Hoosick, Barryville, Utica, Albany, and Delhi all appear in the recipient list.
Yes. The foundation funds individuals, and scholarship support is a visible part of the grant pattern. Recent examples include scholarship grants to Hoosac School and Hunter College Foundation.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| Glimmerglass Festival | Cooperstown, NY | $300,000 | 2025 | General Fund |
| Hoosac School | Hoosick, NY | $275,000 | 2025 | Scholarship |
| Hyde Hall Inc | Cooperstown, NY | $250,000 | 2025 | General Fund |
| The Farmers Museum | Cooperstown, NY | $200,000 | 2025 | General FundGeneral Funds |
| The Delaware Company | Barryville, NY | $160,000 | 2025 | General Fund |
| Hunter College Foundation | New York, NY | $150,000 | 2025 | Scholarship |
| Delaware County Historical Assoc | Delhi, NY | $100,000 | 2025 | General Fund |
| The Fenimore Art Museum | New York, NY | $100,000 | 2025 | General Fund |
| The GOG Foundation | Edgewater, MD | $100,000 | 2025 | General Fund |
| Massachusetts Institute of Technology | Cambridge, MA | $100,000 | 2025 | Special Program |
| Forbes House Museum | Milton, MA | $84,000 | 2025 | General Fund |
| Seward House Museum | Auburn, NY | $75,000 | 2025 | General Fund |
| Community Foundation of Ostego County | Springfield Center, NY | $55,000 | 2025 | Special Program |
| Preservation League of New York State | Albany, NY | $50,000 | 2025 | General Fund |
| Sagamore Institute of the Adirondacks Inc | Raquette Lake, NY | $50,000 | 2025 | General Funds |
| Shaker Museum and Library | Old Chatham, NY | $50,000 | 2025 | General Fund |
| Swart-Wilcox House Museum | Oneonta, NY | $50,000 | 2025 | General Fund |
| Constable Hall | Constableville, NY | $50,000 | 2025 | General Fund |
| Genesee Country Village and Museum | Mumford, NY | $50,000 | 2025 | General Fund |
| Manhattan Country School | New York, NY | $50,000 | 2025 | Special Programs/Scholarships |
| Museum of the City of New York | New York, NY | $40,000 | 2025 | General Fund |
| College Foundation of Delhi | Delhi, NY | $35,000 | 2025 | Special Programs/Scholarships |
| Ostego Land Trust Inc | Cooperstown, NY | $35,000 | 2025 | General Fund |
| Friends of Bassett | Cooperstown, NY | $30,000 | 2025 | General Fund |
| Mannes College The New School for Music | New York, NY | $30,000 | 2025 | Scholarship |
| Time and Valley Museum | Grahamsville, NY | $27,000 | 2025 | Special Program |
| The American Liver Foundation | Newton, MA | $27,000 | 2025 | General Fund |
| Landmarks Society of Greater Utica | Utica, NY | $25,000 | 2025 | Special Program |
| Hartwick College | Oneonta, NY | $25,000 | 2025 | Scholarship |
| Adirondack Architectural Heritage | Keeseville, NY | $25,000 | 2025 | General Fund |
| Munson Williams Proctor Arts Institute | Utica, NY | $25,000 | 2025 | General Fund |
| Hanford Mills Museum | East Meredith, NY | $25,000 | 2025 | General Fund |
| Communities in Schools | Raleigh, NC | $25,000 | 2025 | Music Program |
| Center for Mark Twain Studies | Elmira, NY | $25,000 | 2025 | General Fund |
| Franklin Stage Company at Chapel Hall Inc | Franklin, NY | $25,000 | 2025 | General Fund |
| Stone Arabia Preservation Inc | Fort Plain, NY | $25,000 | 2025 | General Fund |
| Unatego Central School District | Otego, NY | $25,000 | 2025 | Scholarship Fund |
| Sweet Briar College | Sweet Briar, VA | $25,000 | 2025 | Special Program |
| Foothills Performing Arts & Civic Center | Oneonta, NY | $25,000 | 2025 | General Funds |
| Bethel Woods Center for the Arts | Liberty, NY | $25,000 | 2025 | Music Program |
| Family Planning of South Central New York Inc | Oneonta, NY | $25,000 | 2025 | Delaware and Ostego County programs |
| College at Oneonta Foundation | Oneonta, NY | $20,000 | 2025 | General Fund |
| YMCA of Greater Rochester | Painted Post, NY | $20,000 | 2025 | General FundGeneral Fund |
| Glen Conservancy | Fultonville, NY | $20,000 | 2025 | General Fund |
| Listening Hearts Ministries | Baltimore, MD | $20,000 | 2025 | General Fund |
| Railroad & Local Young Men's Christian Association of Oneonta | Oneonta, NY | $20,000 | 2025 | General Fund |
| Lemhi County Historical Society & Museum | Salmon, ID | $15,000 | 2025 | General Fund |
| Literacy Volunteers of Sullivan County | Monticello, NY | $15,000 | 2025 | General Fund |
| Trustees of the Reservation | Boston, MA | $15,000 | 2025 | General Fund |
| Residency Unlimited | Brooklyn, NY | $15,000 | 2025 | General Fund |
Glimmerglass Festival
$300,000General Fund
Hyde Hall Inc
$250,000General Fund
The Farmers Museum
$200,000General FundGeneral Funds
The Delaware Company
$160,000General Fund
Scholarship
Delaware County Historical Assoc
$100,000General Fund
The Fenimore Art Museum
$100,000General Fund
The GOG Foundation
$100,000General Fund
Forbes House Museum
$84,000General Fund
Sagamore Institute of the Adirondacks Inc
$50,000General Funds
Swart-Wilcox House Museum
$50,000General Fund
Constable Hall
$50,000General Fund
Genesee Country Village and Museum
$50,000General Fund
College Foundation of Delhi
$35,000Special Programs/Scholarships
Time and Valley Museum
$27,000Special Program
The American Liver Foundation
$27,000General Fund
Landmarks Society of Greater Utica
$25,000Special Program
Adirondack Architectural Heritage
$25,000General Fund
Munson Williams Proctor Arts Institute
$25,000General Fund
Hanford Mills Museum
$25,000General Fund
Communities in Schools
$25,000Music Program
Center for Mark Twain Studies
$25,000General Fund
Franklin Stage Company at Chapel Hall Inc
$25,000General Fund
Stone Arabia Preservation Inc
$25,000General Fund
Unatego Central School District
$25,000Scholarship Fund
Sweet Briar College
$25,000Special Program
Foothills Performing Arts & Civic Center
$25,000General Funds
Delaware and Ostego County programs
College at Oneonta Foundation
$20,000General Fund
YMCA of Greater Rochester
$20,000General FundGeneral Fund
Glen Conservancy
$20,000General Fund
Listening Hearts Ministries
$20,000General Fund
Railroad & Local Young Men's Christian Association of Oneonta
$20,000General Fund
Lemhi County Historical Society & Museum
$15,000General Fund
Literacy Volunteers of Sullivan County
$15,000General Fund