Mission
WE GROUND STUDENTS IN A DEEP SENSE OF BELONGING SO THEY BECOME ENTHUSIASTIC LEARNERS, DEVELOP CONFIDENT VOICES, AND EMERGE AS BEACONS OF KINDNESS IN THEIR COMMUNITIES.
Public Charity
MARIN HORIZON SCHOOL INC
MARIN HORIZON SCHOOL INC is a Public Charity headquartered in MILL VALLEY, CA. Financial data from the 2025 filing: $16.8M revenue, $14.5M expenses, $49.5M total assets. 87 publicly reported grants to this organization, totaling roughly $6.6M, appear in IRS filings.
EIN: 942427732
MILL VALLEY, CA
Primary & Elementary Schools
NTEE: B24
Latest filing: 2025
Total Revenue$16.8M
Total Expenses$14.5M
Total Assets$49.5M
Grant Records87
Funding Total$6.6M
Filing Years2021–2025
Where $100 goes at Marin Horizon School Inc
How Marin Horizon School Inc divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$90
Programs
the work itself
$7
Management
running the organization
$3
Fundraising
raising the next dollar
Inside the $90 for programs
$90
Marin Horizon School is an independent, coed day school for students in toddler through grade 8
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
EDUCATION
$173,850
For grant recipient's exempt purposes
$138,133
Contribution
$126,082
BUILDING FUND/ HORIZON COMMUNITY SCHOOL
$76,500
$60,500
Showing up to 5 of 87 total records — full history available with membership.
Officers & Directors
TRUSTEE
Andy Davies
TRUSTEE
Ashley Goldsmith Buttner
TRUSTEE
Ashley Macdonald
DIRECTOR OF UPPER SCHOOL
Ben Fussiner
HEAD OF SCHOOL
Bill Perrine
TRUSTEE
Brett Foley
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $16.8M | $14.5M | $49.5M |
| 2024 | $16.2M | $13.9M | $46.4M |
| 2023 | $13.7M | $12.8M | $42.9M |
| 2022 | $12.8M | $12.2M | $41.2M |
| 2021 | $13.3M | $11.5M | $38.0M |
Between 2021 and 2025, reported annual revenue grew from $13.3M to $16.8M (+26%), with total assets most recently reported at $49.5M.
Interactive year-over-year charts and full filing details available with membership.