MARIN HORIZON SCHOOL INC

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Financial Vulnerability Assessment (Tuckman-Chang)

4 risk indicators measuring financial stability and operational resilience

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Financial Trends

Organization Details

Formation Year

1977

Legal Domicile

Principal Officer

DEREK DETTORRE

Phone

4153888408

Tax Period

2024-07-01 to 2025-06-30

MARIN HORIZON SCHOOL INC, founded in 1977, is a mid-sized nonprofit in the Education sector that reported $16.8M in total revenue in fiscal year 2024. Expenses of $14.5M left a modest 14% surplus.

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.

Program Service Accomplishments

Program 1

Expenses: $12,260,038 Revenue: $12,308,707

MARIN HORIZON SCHOOL IS AN INDEPENDENT, COED DAY SCHOOL FOR STUDENTS IN TODDLER THROUGH GRADE 8. LOCATED IN MILL VALLEY, CALIFORNIA, OUR CURRICULUM IS DESIGNED TO INSPIRE STUDENTS TO EMBRACE...

MARIN HORIZON SCHOOL IS AN INDEPENDENT, COED DAY SCHOOL FOR STUDENTS IN TODDLER THROUGH GRADE 8. LOCATED IN MILL VALLEY, CALIFORNIA, OUR CURRICULUM IS DESIGNED TO INSPIRE STUDENTS TO EMBRACE CHALLENGES, THINK CRITICALLY, AND BECOME COMPASSIONATE ADVOCATES. WE PRIORITIZE CLASS SIZES TO ALLOW THE DEVELOPMENT OF EXCEPTIONAL TEACHER-STUDENT RELATIONSHIPS AND INDIVIDUALIZED ATTENTION. WITHIN OUR INCLUSIVE COMMUNITY, EVERY STUDENT IS SEEN, HEARD, AND VALUED, FOSTERING A SENSE OF OWNERSHIP OVER THEIR EDUCATION AND AN EXPLORATION OF THEIR UNIQUE INTERESTS.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

Financial Overview (2024)

Revenue Breakdown

Contributions & Grants $3,717,245

Program Service Revenue $12,280,239

Investment Income $721,719

Other Revenue $122,959

TOTAL REVENUE $16,842,162

Expense Breakdown

Grants Paid $2,575,275

Salaries & Benefits $8,292,581

Fundraising Expenses $417,977

Program Expenses $12,260,038

Other Expenses $3,645,127

TOTAL EXPENSES $14,532,644

Year-over-Year Comparison

	2024	2023	Change
Revenue	$16,842,162	$16,229,609	+0.0%
Expenses	$14,532,644	$13,870,477	+0.0%
Net Income	$2,309,518	$2,359,132	0.0%

Key Indicators

✗ Grants to Organizations ✓ Grants to Individuals ✗ Lobbying ✗ Political Activity ✗ Foreign Activities ✗ Donor Advised Fund ✓ Schedule B Required

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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

Governance

Voting Members

Independent Members

Employees

142

Volunteers

156

Governance Policies

✓ Conflict of Interest Policy

✓ Whistleblower Policy

✓ Document Retention Policy

Special Practices & Reported Activities

✓ Operated a School

✗ Operated a Hospital

✗ Provided First Class Travel

✗ Reported Conflict of Interest

✗ Reported Asset Diversion

✗ Excess Benefit Transaction

✗ Made Political Expenditures

✗ Engaged in Lobbying

✗ Operated Donor Advised Fund

✗ Maintained Art Collections

✗ Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers

$634,478

Total Directors

$661,761

Key Employees

Highest Compensated

reported

Name	Title	Hours/Week	Role	Reportable Comp	Other Comp	Total
BILL PERRINE	HEAD OF SCHOOL	40.00	Officer Director	$301,946	$128,001	$429,947
JESSE PEARSON	7/8TH LANG TEACHER, TRUSTEE	40.00	Director	$102,804	$24,934	$127,738
KELLEY GALLARDO	PRIMARY TEACHER, TRUSTEE	40.00	Director	$79,346	$24,730	$104,076
PETER BRYAN	CHAIR	4.00	Officer Director	$0	$0	$0
JEN COYNE	VICE-CHAIR	4.00	Officer Director	$0	$0	$0
ROHIT AGARWAL	SECRETARY	1.00	Officer Director	$0	$0	$0
RYAN STEVER	TREASURER	1.00	Officer Director	$0	$0	$0
ANDY DAVIES	TRUSTEE	1.00	Director	$0	$0	$0
BRETT FOLEY	TRUSTEE	1.00	Director	$0	$0	$0
ASHLEY GOLDSMITH BUTTNER	TRUSTEE	1.00	Director	$0	$0	$0
CHARMAINE HO	TRUSTEE	1.00	Director	$0	$0	$0
MIRA KIM	TRUSTEE	1.00	Director	$0	$0	$0
KRISTIN LUNNY	TRUSTEE	1.00	Director	$0	$0	$0
LEXY LURIE	TRUSTEE	1.00	Director	$0	$0	$0
ASHLEY MACDONALD	TRUSTEE	1.00	Director	$0	$0	$0
TRIGG MCLEOD	TRUSTEE	1.00	Director	$0	$0	$0
TATEM READ	TRUSTEE	1.00	Director	$0	$0	$0
ELISABETH THURSTON FRASER	TRUSTEE	1.00	Director	$0	$0	$0
ROSAMOND POPE-MEYER	TRUSTEE	1.00	Director	$0	$0	$0
KATHRYN THOMPSON	TRUSTEE	1.00	Director	$0	$0	$0
DIANA GREENSTONE	DIRECTOR OF FINANCE	40.00	Officer	$177,000	$27,531	$204,531
BEN FUSSINER	DIRECTOR OF UPPER SCHOOL	40.00	Highest	$113,761	$41,472	$155,233
KATHLEEN HAZELTON-LEECH	PRIMARY TEACHER	40.00	Highest	$130,300	$24,457	$154,757
MARY BISHOP	DIRECTOR OF DEVELOPMENT	40.00	Highest	$128,986	$21,838	$150,824
VICTORIA HUERTA-MILLER	DIRECTOR OF LOWER SCHOOL	40.00	Highest	$117,847	$15,794	$133,641
ELIZABETH KEY	DIRECTOR OF ADMISSIONS	40.00	Highest	$109,692	$13,670	$123,362

Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year	Revenue	Expenses	Assets	Net Income
2025	$16,842,162	$14,532,644	$49,507,150	$2,309,518
2024	$16,229,609	$13,870,477	$46,353,722	$2,359,132
2023	$13,678,794	$12,849,645	$42,935,823	$829,149
2022	$12,842,042	$12,158,043	$41,170,495	$683,999
2021	$13,345,969	$11,526,969	$38,021,663	$1,819,000
2020	$11,825,448	$10,895,940	$34,470,769	$929,508
2019	$11,368,664	$10,339,168	$30,731,349	$1,029,496
2018	$11,335,944	$10,847,600	$29,118,209	$488,344