Skip to the page content
Your donations
Passes our checks

Math-Science Nucleus

EIN 94-2862140 · Fremont, CA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthGood70 out of 100GovernanceWeak40 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

Math Science Nucleus is a non-profit 501c3 educational and research organization composed of scientists educators and community members founded in 1982. It serves as an online science resource center to assist school districts teachers and administrators around the world. The major goal is to develop problem solving capacity through science for the worlds children. We provide a free online reference science curriculum for elementary grades. We also manage with field trips and classes the Childrens Natural History Museum fossils of local area Tule Ponds at Tyson Lagoon environmental education Fremont Earthquake Exhibit California Nursery Historical Park and Masonic Home Reforestation Project.

Income
$1.8 million
Spending
$2.1 million
Spent on programs
100%
Reserves
12.4 months of spending
Largest source of income
government grants, 79%
Employees
7
Volunteers
0
Highest pay
$83,200, animator web design

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Good: 70 out of 100. Higher than 53% of charities in its peer group (education, $1m to $10m).

  • Reserves

    35 of 35

    Spendable reserves would cover 12.4 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    0 of 15

    Spending exceeded income by 19% of income.

  • Income trend

    0 of 15

    Income fell 47% on the year before.

  • Spending floor

    15 of 15

    100% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Weak: 40 out of 100. Higher than 4% of charities in its peer group (education, $1m to $10m).

  • Independent board

    25 of 25

    7 of 7 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • Pay set independently

    0 of 5

    Reports no independent review process for its chief executive's pay.

  • Independent check of accounts

    0 of 15

    Its accounts were not audited or reviewed by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. $2.0 million spent. Childrens Natural History Museums renovation of outside and inside were mainly completed. Continued working on exhibit space including new exhibits. Collection archives of fossils and paperwork continued with new collections being accepted. Managed and provided new exhibits at Childrens Natural History Museum including signage and research on materials; collection of fossils at CNHM continued science field trips. Opened in November to public. Grant money mainly from State of California funded renovations. Concept plan for City of Fremont on the original site was completed including new materials found at Univ of Calif Museum of Paleontology. Did research at original site to confirm that there are still fossils in the area. Dig site at Sabercat Historical Park was reopened and limited field trips were conducted.
  2. $13,000 spent. environmental programming Includes tours community service and environmental projects at Tule Ponds at Tyson Lagoon California Nursery Historical Park in Fremont; reforestation program at Masonic Home in Union City; provided free field trips to Alameda County Schools to learn about the local environment; oversaw about 100 high school projects including Eagle Scout project. Display gardens were worked on to refurbish rose bushes California Nursery Office Museum was open again to public on Sat. Trees were planted at Masonic Home under reforestation.
  3. $87,401 spent. virtual classes streaming from North Carolina to California schools; design of products updating Integrating Science Math and Technology Reference Curriculum online includes classes and educational services; updating worksheets earthquake program through Alameda county

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since September 1983.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.