Rainbow Education Science and
Rainbow Education Science and is a private foundation, based in Gilroy, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $690K in total assets. In 2025, it awarded 7 grants totaling $7K. Net investment income was $11K.
Rainbow Education Science and at a glance
In short: Rainbow Education Science and gave $7K across 7 grants in 2025 (avg $1K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $7,000
- -6.7% vs 2024
- Grants made (2025)
- 7
- -12.5% vs 2024
- Average grant
- $1,000
- +6.7% vs 2024
- Median grant
- $775
- Total assets
- $690,217
- -2.9% vs 2024
- Primary geography
- California (53% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Rainbow Education Science and funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Carnegie Mellon University ($3K). Together the top 7 received $7K.
Grant Size Distribution
35 grants across all recorded years
The most common grant size was under $50K: 35 grants of 35 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
Cities
How Rainbow Education Science and gives
- Giving held roughly steady from 2022 to 2025 (−5%). Method
- In 2025 it paid out 126% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $4K (2020) to $8K (2021). In 2025 it made 7 grants totaling $7K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Carnegie Mellon University Pittsburgh, PA | Donation | $2,500 |
| TZU Chi Foundation San Dimas, CA | Donation | $1,500 |
| CA State University Fullerton Fullerton, CA | Donation | $1,425 |
| National Park Foundation Washington, DC | Donation | $775 |
| Kqed San Francisco, CA | Donation | $500 |
| Wikimedia Foundation San Francisco, CA | Donation | $200 |
| St Jude Research Hospital Santa Ana, CA | Donation | $100 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $690,217 | $11,748 | $35,815 | $7,000 | 7 | $35,394 | $11,391 | $27,984 |
| 2024 | $711,096 | $25,935 | $37,412 | $7,500 | 8 | $36,394 | $25,663 | $26,695 |
| 2023 | $719,081 | $19,230 | $33,179 | $6,000 | 7 | $32,200 | $19,004 | $27,786 |
| 2022 | $730,940 | $16,579 | $34,342 | $7,350 | 7 | $33,081 | $15,998 | $28,409 |
| 2021 | $745,625 | $41,598 | $33,272 | $7,750 | 6 | — | $41,251 | $30,863 |
| 2020 | $737,625 | $17,586 | $29,519 | $4,100 | 5 | — | $17,249 | $25,865 |
| 2019 | $747,586 | $18,875 | $30,957 | $5,000 | 2 | — | $16,742 | $30,318 |
Under IRS private-foundation payout rules, Rainbow Education Science and reported a distributable amount of $28K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Rainbow Education Science and is led by Yuhong Zhou, President on every filing since 2019; 1 of 2 officers listed in 2025 is compensated.
Officers on the 2025 filing
Yuhong Zhou
President
On filings since 2019
10 hrs/week
No compensation reported
Hui-Hsien Debbie Fu
Treasurer
On filings since 2019
25 hrs/week
$18K (2020) → $22K (2025)
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $22K, to Hui-Hsien Debbie Fu (Treasurer).
Frequently asked questions about Rainbow Education Science and
How much does Rainbow Education Science and give each year?
Rainbow Education Science and gave $7K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $8K across 8 grants.
What is Rainbow Education Science and's typical grant size?
Rainbow Education Science and's median grant in 2025 was $775, and its average grant was $1,000, across 7 grants on its 2025 IRS Form 990-PF.
Where does Rainbow Education Science and give grants?
Rainbow Education Science and gives mostly in California: 53% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Pennsylvania (36%) and District of Columbia (11%). The most frequent recipient cities were San Francisco, CA (2 grants).
Does Rainbow Education Science and give general operating support?
Not in 2025: none of the 7 grants with a stated purpose on Rainbow Education Science and's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donation" (7 grants).
Who are Rainbow Education Science and's largest grantees?
Rainbow Education Science and's largest 2025 grantees include Carnegie Mellon University ($2,500), TZU Chi Foundation ($1,500) and CA State University Fullerton ($1,425), according to its 2025 IRS Form 990-PF. Together they received 78% of its itemized 2025 grant dollars.
How large is Rainbow Education Science and?
Rainbow Education Science and reported $690K in total assets on its 2025 IRS Form 990-PF. It paid out $35K in qualifying distributions that year, against a required minimum of $28K (roughly 5% of its investment assets).
What is Rainbow Education Science and's EIN?
Rainbow Education Science and's EIN (Employer Identification Number) is 52-2406978. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS August 15, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 13, 2026)
- IRS filings on file for fiscal years 2020–2024
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