California · Nonprofit
THE BAY SCHOOL
THE BAY SCHOOL (California) receives grants from 17 organizations whose IRS filings report $467,932 to it, the largest being HEIMBINDER FAMILY FOUNDATION co WILLIAM E REICHARD ($109,800). 8 of them have funded it in more than one year.
- Revenue FY2025
- $5.5M
- Funders on record
- 17
- Grants received
- $468k
- Net assets
- $1.7M
What The Bay School does
Mission
Founded in 1998, The Bay School's mission is to provide scientifically based educational services and to contribute to research that serves children with autism. The year-round school educates students between the ages of five and twenty-two regardless of their race, national or ethnic origin, gender or religion.
As stated on its FY2025 Form 990.
Program
The Bay School, a may center school, is a nonpublic, nonprofit school dedicated to providing education and intervention services to individuals with autism spectrum disorders (asd) and their families. It is one of may institute's four special education schools located in massachusetts and california for students with asd and other special needs. At this full-day, year-round school, we educate students between the ages of 5 and 22. The ultimate goal of the program is to facilitate the student's successful transition back into public schools. May center schools are nationally recognized as leaders in "best practice" education for children with developmental disabilities. Our students are surrounded by caring, highly trained professionals who work to improve the quality of life of children and adolescents in their care. A multidisciplinary team that includes teachers, therapists, and consultants implements the individualized education plan/individualized transition plan (iep/itp) goals of students referred by school districts and regional centers. Each student receives appropriate instruction and related services on an individually contracted basis. From the first day a child enters…
$5,148,157 spent$5,467,864 earned by the program100% of program spending
The program described on its FY2024 Form 990. Program spending in total: $5,148,157.
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 2022 to 2023, from $4.7M to $8.7M (+87%).
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.
1% of THE BAY 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. 5 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.
Board chair
Richard Wichmann
Chairperson, director
As listed on its FY2025 Form 990.
Who funds it, year by year
2017 → 2023: the base broadened from 4 funders to 6 funders, grant income rose $28k → $120k.
3 of 17 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 14% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of THE BAY 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
THE BAY SCHOOL has a broad base — no single funder exceeds 23% of grant income, and it takes 3 funders to reach half.
the vertical line marks half of all grant income — 3 funders to its left
Largest funder’s share by year: 2017 55% · 2018 50% · 2019 98% · 2020 100% · 2021 41% · 2022 33% · 2023 37% — 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.
How long its funders stay
13% of THE BAY SCHOOL's funders are still giving 3 years after their first grant; 47% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
THE BAY SCHOOL draws 80% of its grant income from funders outside California, across 8 states in all.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $65k arriving through sponsors registered in 3 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. 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
THE BAY SCHOOL's funding base is broadening — from 4 funders to 6 as grant income climbed.
this organization peer median middle 50% of peers· 9,398 education nonprofits $1M–$10M, FY2025
Organizations like THE BAY 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 California
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
90% of spending goes to programs.
Governance
Footprint & structure
Files a return copy in 1 state
Part of a family of 5 related entities
- The May Institute Inc · exempt
- National Autism Center Inc · exempt
- The May-West Roxbury Residences Inc · exempt
- Greater Springfield Residences Inc · exempt
- May Foundation Inc · exempt
Screen this organization
A dated, signed PDF of the compliance screen for THE BAY 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 THE BAY SCHOOL?
- THE BAY SCHOOL (California) receives grants from 17 organizations whose IRS filings report $467,932 to it, the largest being HEIMBINDER FAMILY FOUNDATION co WILLIAM E REICHARD ($109,800). 8 of them have funded it in more than one year.
- How many funders does THE BAY SCHOOL have?
- IRS filings report 17 organizations giving $467,932 in grants to THE BAY SCHOOL, 8 of which have funded it in more than one year.
- Who is the largest funder of THE BAY SCHOOL?
- HEIMBINDER FAMILY FOUNDATION co WILLIAM E REICHARD is the largest funder on record, with $109,800 in grants. The full list of funders is on this page.
- How can an organization like THE BAY SCHOOL find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in California. 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 Bay 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 17 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