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Illustrative Mathematics

EIN 46-3513958 · Oro Valley, AZ

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

LegitimacyPassesRegistration and standingFinancial healthGood70 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

AT ILLUSTRATIVE MATHEMATICS WE ARE COMMITTED TO CREATING A WORLD WHERE ALL LEARNERS KNOW, USE, AND ENJOY MATHEMATICS. WE CRAFT AND DELIVER HIGH-QUALITY EDUCATIONAL RESOURCES FOR TEACHERS AND STUDENTS BY DEVELOPING GREAT PEOPLE WHO WORK IN SPIRITED (CONTINUED ON SCH O) TEAMS TO DO EXTRAORDINARY THINGS.

Income
$18.8 million
Spending
$20.6 million
Spent on programs
83%
Reserves
3.9 months of spending
Largest source of income
fees for its services, 76%
Employees
107
Volunteers
7
Highest pay
$410,174, ceo

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Good: 70 out of 100. Higher than 62% of charities in its peer group (education, $10m to $100m).

  • Reserves

    20 of 35

    Spendable reserves would cover 3.9 months of spending.

  • Debt

    16 of 20

    It owes 26% of what it owns.

  • Living within its means

    4 of 15

    Spending exceeded income by 9% of income.

  • Income trend

    15 of 15

    Income rose 11% on the year before.

  • Spending floor

    15 of 15

    83% of spending went to programs and raising each dollar of donations cost 5 cents.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 100 out of 100. Higher than 50% of charities in its peer group (education, $10m to $100m).

  • Independent board

    25 of 25

    7 of 7 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 December 31, 2024, 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 (2)
  1. $10.6 million spent. PROFESSIONAL PRODUCTS AND SERVICES: IM(R) CONTINUED PROVIDING PROFESSIONAL LEARNING PRODUCTS AND SERVICES THAT SUPPORT TEACHERS AND SCHOOL DISTRICTS.IN 2024, PROFESSIONAL LEARNING ON IM(R) K-5 MATH, IM(R) 6-8 MATH, AND IM(R) 9-12 MATH REACHED MORE THAN 44,000 TEACHERS ACROSS 1,851 EVENTS.IN 2024, IM(R) ALSO DELIVERED UNIT PLANNING AND FACILITATION GUIDES TO 31 SCHOOL DISTRICTS AND CERTIFIED 39 NEW FACILITATORS TO DELIVER HIGH-QUALITY PROFESSIONAL LEARNING EXPERIENCES.
  2. $6.5 million spent. CLASSROOM MATERIALS:IM(R) CONTINUED PROVIDING HIGH-QUALITY CLASSROOM MATERIALS AND FAMILY SUPPORT TO EDUCATORS AND SCHOOL DISTRICTS. IN 2024, MORE THAN 3 MILLION STUDENTS HAD ACCESS TO AN IM CERTIFIED(R) PRINT OR PREMIUM DIGITAL VERSION OF THE CURRICULUM. WE ESTIMATE THAT AN ADDITIONAL 304,000 STUDENTS HAD ACCESS TO THE FREE IM(R) K-12 MATH CURRICULUM BASED ON WEBSITE TRAFFIC.

Source: Form 990 for the year ending December 31, 2024, 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 September 7, 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 September 30, 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 September 10, 2026.

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

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

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

    Recognized by the IRS since July 2014.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 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 7, 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.