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Seattle Universal Math Museum

EIN 84-2800368 · Seattle, WA

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

LegitimacyPassesRegistration and standingFinancial healthFair55 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

OUR MISSION IS TO SPARK EACH AND EVERY PERSON TO LOVE MATH. PROGRAM PARTICIPANTS EMBARK ON A MATH JOURNEY WITH CREATIVE OPPORTUNITIES FOR MATH EXPLORATION, LEARNING AND DISCOVERY TO FOSTER POSITIVE CONNECTIONS TO MATH, BOOST MATH CONFIDENCE AND HELP STUDENTS SEE MATH AS RELEVANT TO THEIR FUTURE. WE AIM TO REDUCE THE EQUITY GAP IN MATH EDUCATION FOR GIRLS AND STUDENTS OF COLOR, DIVERSIFY THE PIPELINE OF PEOPLE PURSUING STEAM CAREERS AND BETTER PREPARE YOUTH TO THRIVE IN THE DIGITAL ECONOMY OF THE 21ST CENTURY.

Income
$1.1 million
Spending
$933,775
Spent on programs
74%
Reserves
-0.2 months of spending
Largest source of income
donations and private grants, 90%
Employees
30
Volunteers
99
Highest pay
$86,285, executive director

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 55 out of 100. Higher than 26% of charities in its peer group (arts and culture, $1m to $10m).

  • Reserves

    0 of 35

    Spendable reserves are negative: it owes or has committed more than it holds.

  • Debt

    10 of 20

    It owes 31% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 18% of income.

  • Income trend

    15 of 15

    Income rose 36% on the year before.

  • Spending floor

    15 of 15

    74% of spending went to programs and raising each dollar of donations cost 12 cents.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 100 out of 100. Higher than 65% of charities in its peer group (arts and culture, $1m to $10m).

  • Independent board

    25 of 25

    10 of 10 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Pay set independently

    5 of 5

    Sets its chief executive's pay through independent review and comparison.

  • Independent check of accounts

    15 of 15

    Its accounts were audited 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 June 30, 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. $523,014 spent. GENERAL PROGRAM - GENERAL PROGRAMS INCLUDES THE DEVELOPMENT AND DELIVERY OF SUMM'S CORE MATH EDUCATION INITIATIVES, INCLUDING PROGRAM DESIGN, CURRICULUM DEVELOPMENT, EXHIBITS, WORKSHOPS, AND PUBLIC-FACING LEARNING EXPERIENCES. THIS CATEGORY ALSO INCLUDES STAFF TIME AND OPERATIONAL SUPPORT NECESSARY TO PLAN, COORDINATE, AND SUSTAIN SUMM'S ONGOING EDUCATIONAL PROGRAMS.
  2. $111,404 spent. COMMUNITY OUTREACH - COMMUNITY OUTREACH SUPPORTS FREE AND LOW-COST MATH PROGRAMMING DELIVERED AT COMMUNITY CENTERS, SCHOOLS, LIBRARIES, AND PUBLIC EVENTS. THIS INCLUDES FAMILY MATH FUN EVENTS AND THE MATERIALS, SUPPLIES, AND PREPARATION NEEDED TO PROVIDE HANDS-ON MATH EXPERIENCES TO FAMILIES AND COMMUNITY MEMBERS.
  3. $53,652 spent. MUSEUM - SUMM CONTINUED WITH MULTIPLE MATH EDUCATION PROGRAMMING IN PARTNERSHIP WITH MULTIPLE ORGANIZATIONS, SCHOOLS, LIBRARIES, COMMUNITY CENTERS AND OTHER MUSEUMS TO FACILITATE LEARNING MATH IN A FUN, HANDS-ON WAY FOR ALL AGES OF PARTICIPANTS.

Source: Form 990 for the year ending June 30, 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 October 13, 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 June 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 2019.

    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 October 21, 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.