Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Sep 1983.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
84 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
10 people listed on the 990; $95K paid to officers and key staff.
Hagos Tewolde Negusse’s $83K as Animator Web Design is at the 21st percentile of top reported officer pay among 3395 $1–10M education nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 8 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|---|
| Hagos Tewolde Negusse | $83,200 | $66,560 | $62,400 | $27,600 | $28,800 | $32,400 |
| Art Williams | $83,200 | $66,560 | $62,400 | — | $41,600 | — |
| Althea Weber | $56,160 | $52,000 | $47,840 | $21,600 | — | — |
| Arthur Williams | — | — | — | $45,360 | — | $43,680 |
| Gaetano Palazzo | $25,623 | $38,471 | $4,032 | — | — | — |
| Monica Esqueda | $11,610 | $17,550 | $33,085 | — | — | — |
| Susana Esqueda | $26,641 | — | — | — | — | — |
| Selamawit Tesfaldet | $22,790 | $3,600 | — | — | — | — |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aNo
Programs and updates
Offers free online science and math curriculum, plus environmental field trips and museum access.
Questions for Math-Science Nucleus
Your first name shows with your question. Math-Science Nucleus answers here, for everyone.
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Includes tours community service and environmental projects at Tule Ponds at Tyson Lagoon; contract agreement to develop outdoor curriculum at Sunol Water Temple; develop signs for California Nursery Historical Park in Fremont; Visions program in Union City worked with children in Union City and reforestation program at Masonic Home…
Manage and provide exhbiits at Children's Natural History Museum and Calfiornia Nursery Office Museum including signage and research on materials; collection of fossils at CNHM resumed field trips after pandemic at all of our locations including Children's Natural History Museum and Earthquake Exhibit
virtual classes streaming from North Carolina to California schools; design of products for Eritrean children put on website updating Integrating Science Math and Technology Reference Curriculum online
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2022 990, line by line.
Download 990
| Line | Start FY22 | End FY22 |
|---|---|---|
| Cash and savingsLn 1–2 | $350K | $400K |
| InvestmentsLn 11–13 | $0 | $0 |
| Land, buildings, equipmentLn 10c | $0 | $0 |
| Total assetsLn 16 | $915K | $6.0M |
| LiabilitiesLn 26 | $0 | $0 |
| Net assetsLn 32 | $915K | $6.0M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $0 | $0 | ||
| Grants to domestic individualsLn 2 | $2K | $2K | ||
| Grants and assistance to foreign recipientsLn 3 | $0 | $0 | ||
| Pay of current officers, directors and key staffLn 5 | $0 | $0 | $0 | $0 |
| Pay of disqualified personsLn 6 | $0 | $0 | $0 | $0 |
| Other salaries and wagesLn 7 | $122K | $102K | $20K | $0 |
| Pension plan contributionsLn 8 | $0 | $0 | $0 | $0 |
| Other employee benefitsLn 9 | $0 | $0 | $0 | $0 |
| Payroll taxesLn 10 | $0 | $0 | $0 | $0 |
| Advertising and promotionLn 12 | $2K | $2K | $0 | $0 |
| Office expensesLn 13 | $29K | $0 | $29K | $0 |
| Information technologyLn 14 | $14K | $14K | $0 | $0 |
| RoyaltiesLn 15 | $0 | $0 | $0 | $0 |
| OccupancyLn 16 | $36K | $36K | $0 | $0 |
| TravelLn 17 | $0 | $0 | $0 | $0 |
| Travel and entertainment for public officialsLn 18 | $0 | $0 | $0 | $0 |
| Conferences, conventions and meetingsLn 19 | $0 | $0 | $0 | $0 |
| InterestLn 20 | $0 | $0 | $0 | $0 |
| Payments to affiliatesLn 21 | $0 | $0 | $0 | $0 |
| Depreciation, depletion and amortizationLn 22 | $0 | $0 | $0 | $0 |
| InsuranceLn 23 | $9K | $0 | $9K | $0 |
| Other expenses (24a–d)Ln 24 | $190K | $184K | $6K | $0 |
| Total functional expensesLn 25 | $405K | $340K | $65K | $0 |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest | $1.8M | $2.1M | −$333K | $2.8M | 990 PDF |
| FY2024 | $3.3M | $2.1M | $1.2M | $3.1M | 990 PDF |
| FY2023 | $657K | $681K | −$24K | $5.6M | 990 PDF |
| FY2022 Viewing | $448K | $405K | $43K | $6.0M | 990 PDF |
| FY2021 | $324K | $247K | $77K | $915K | 990 PDF |
| FY2020 | $317K | $284K | $33K | $838K | 990 PDF |
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Schedules filed Part IV
See the full FY2022 990 (6 parts)
Part I · Summary $447,516 revenue, 12 lines filed
Part VI · Governance 7 of 7 board members independent, 4 to look at
Part VIII · Statement of revenue $447,516 across 14 lines filed
Part IX · Statement of functional expenses $404,914 across 22 lines filed
Part X · Balance sheet $5,958,000 assets, 24 lines filed
Part XI · Reconciliation of net assets $5,958,000 net assets at year end
Form 990 e-file (XML) FY2022 from the IRS · Classification, formation year and address from the IRS Business Master File
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