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Mark Day School

EIN 94-2598891 · San Rafael, CA

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

INNOVATIVE AND FULL OF HEART, MARK DAY SCHOOL NURTURES EACH CHILD TO PURSUE THEIR CURIOSITY, THINK CRITICALLY, EMBRACE CHALLENGE WITH COURAGE AND JOY, AND WORK IN PARTNERSHIP WITH OTHERS TO BUILD MORE CARING AND INCLUSIVE COMMUNITIES.

Income
$23.0 million
Spending
$21.6 million
Spent on programs
79%
Reserves
3.5 months of spending
Largest source of income
fees for its services, 79%
Employees
133
Volunteers
200
Highest pay
$566,277, head of school

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

Good: 70 out of 100.

  • Reserves

    20 of 35

    Spendable reserves would cover 3.5 months of spending.

  • Debt

    5 of 20

    It owes 52% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 6% of income.

  • Income trend

    15 of 15

    Income rose 11% on the year before.

  • Spending floor

    15 of 15

    78% of spending went to programs and raising each dollar of donations cost 16 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.

  • Independent board

    25 of 25

    23 of 25 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 (1)
  1. $17.0 million spent. MARK DAY SCHOOL IS AN INDEPENDENT, ALL GENDER SCHOOL FOR 380 STUDENTS IN KINDERGARTEN THROUGH EIGHTH GRADE. MARK DAY SCHOOL STUDENTS PARTICIPATE IN A CHALLENGING AND ACTIVE HANDS-ON ACADEMIC PROGRAM, PREPARING THEM FOR SUCCESS IN FUTURE SCHOOLING AND IN LIFE. MARK DAY SCHOOL ACADEMICS INCLUDES TRADITIONAL SKILLS AND COMPETENCIES OF FOUNDATIONAL LITERACIES SUCH AS MATH AND THE HUMANITIES, AS WELL AS FOUR CROSS-DISCIPLINARY LITERACIES THAT ARE INTERWOVEN INTO THE CURRICULUM. THE FOUR CROSS-DISCIPLINARY LITERACIES ARE; MEDIA AND INFORMATION, SOCIAL AND EMOTIONAL, ECOLOGICAL AND CROSS-CULTURAL. CROSS-CULTURAL LITERACY IS ENHANCED THROUGH OUR FORMALIZED PARTNERSHIPS WITH FOREIGN SCHOOLS IN TAIWAN AND SOUTH AFRICA. FOLLOWING GRADUATION, MARK DAY SCHOOL ALUMNI MATRICULATE (CONTINUED SCHEDULE O)AT EXCELLENT INDEPENDENT, PUBLIC AND PAROCHIAL HIGH SCHOOLS IN THE BAY AREA AND AT BOARDING SCHOOLS AROUND THE COUNTRY. MARK DAY SCHOOL GRADUATES ARE CONSIDERED AMONG THE BEST PREPARED STUDENTS AT THOSE SCHOOLS.

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? Worth knowing.

    The IRS does not require this organization to file annual returns.

    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 December 1979.

    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.