New York · Nonprofit
GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL
GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL (New York) receives grants from 4 organizations whose IRS filings report $324,294 to it, the largest being GREAT OAKS NEWARK PROPERTY CORPORATION ($210,794). 2 of them have funded it in more than one year.
- Revenue FY2025
- $9.9M
- Funders on record
- 4
- Grants received
- $324k
- Net assets
- $-2855167
What Great Oaks Kathleen Sherry Charter School does
Mission
Our approach is centered around the design principles of mastery, leadership and community to foster students' ability to be confident, persist through challenges, and embrace failure as an opportunity to learn & grow. Great oaks - new york also works with full-time americorps fellows to provide students with high-dosage tutoring and enrichment in small groups.
As stated on its FY2025 Form 990.
Program
Education: go-nyc is a public charter school serving middle and high school students. During the fiscal years 2024 - 2025, the school operated classes for 323 students in grades 6 through 12.
$10,749,425 spent$9,364,496 earned by the program100% of program spending
The program described on its FY2024 Form 990. Program spending in total: $10,749,425.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $1.3M to $47M (+3495%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2017 11% · 2018 4% · 2019 6% · 2020 4% · 2021 5% · 2022 6% · 2023 15% · 2024 4% · 2025 3%. Grants only. Government contracts and fees sit inside program revenue.
5% of GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL’s revenue is contributions — more earned-revenue than three-quarters of its peers (48% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 6 of the last 9 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Chief executive
Timberly Wilson
Executive director
Board chair
Susan Akselrad
Chair
As listed on its FY2025 Form 990.
The chief executive listed changed between the FY2017 and FY2018, and between the FY2018 and FY2019, and between the FY2020 and FY2021 filings.
Who funds it, year by year
2020 → 2022: the base broadened from 2 funders to 3 funders, grant income rose $34k → $184k.
Left out of every figure on this page: $860k from one payer (the payer shares this organization's board, largest Great Oaks Foundation Inc). These are real filings, and they are not money GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL raised.
From the IRS filings of GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL leans on a few funders — its largest provides 65% of grant income and the top three 95%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
95% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL.
Largest funder’s share by year: 2020 85% · 2021 95% · 2022 59% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
74% of GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL's grant income comes from New York funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL has grown faster than half of the 9,398 education nonprofits its size.
this organization peer median middle 50% of peers· 9,398 education nonprofits $1M–$10M, FY2025
Organizations like GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In New York
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
96% of spending goes to programs.
Governance
Screen this organization
A dated, signed PDF of the compliance screen for GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL?
- GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL (New York) receives grants from 4 organizations whose IRS filings report $324,294 to it, the largest being GREAT OAKS NEWARK PROPERTY CORPORATION ($210,794). 2 of them have funded it in more than one year.
- How many funders does GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL have?
- IRS filings report 4 organizations giving $324,294 in grants to GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL, 2 of which have funded it in more than one year.
- Who is the largest funder of GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL?
- GREAT OAKS NEWARK PROPERTY CORPORATION is the largest funder on record, with $210,794 in grants. The full list of funders is on this page.
- How can an organization like GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in New York. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Great Oaks Kathleen Sherry Charter School →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 4 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing