How much is Marin Montessori School tuition?

For 2026-27, tuition at Marin Montessori School is $40,550 for grades Toddler (18–30 months); $40,550 for grades Primary (ages 2.8–6; PK–K); $40,770 for grades 1-6 (Elementary); $42,690 for grades 7-9 (Junior High), per the school's website.

When is the Marin Montessori School application deadline?

The main application deadline is January 29, 2027. Families apply through Ravenna.

Does Marin Montessori School offer financial aid?

Yes. Marin Montessori School reported $1,173,422 in financial aid to 68 students on its 2024 IRS Form 990.

How many students attend Marin Montessori School?

Marin Montessori School enrolls 258 students in grades Pre-K–9, with about 11 students per teacher (NCES Private School Survey, 2023-24).

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Marin Montessori School tuition & admissions

Corte Madera, CAGrades Pre-K–9Day, coedhttps://www.marinmontessori.org/

Tuition 2026-27

$42,690

Highest grade band

Application deadline

January 29

2027

Students

258

11 students per teacher

Admission test

—

Tuition 2026-27

Grades	Day
Toddler (18–30 months)	$40,550
Primary (ages 2.8–6; PK–K)	$40,550
1-6 (Elementary)	$40,770
7-9 (Junior High)	$42,690

Financial aid: $1,173,422 to 68 students (about $17,256 each) in 2024, per the school's IRS Form 990.

How to apply

Entry grades	Toddler, Primary, Elementary, Junior High
Admission test	—
Interview	—
Apply through	Ravenna
Application fee	$100
Deadline	January 29, 2027
Decisions released	—

School facts

Students	258
Teachers (full-time equivalent)	15
Students per teacher	10.9
School days per year	177
Endowment	$5,299,455 (FY2025)
Annual revenue	$12,570,256 (2024)
Head of school pay	—

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Marin Montessori School FAQ

How much is Marin Montessori School tuition?: For 2026-27, tuition at Marin Montessori School is $40,550 for grades Toddler (18–30 months); $40,550 for grades Primary (ages 2.8–6; PK–K); $40,770 for grades 1-6 (Elementary); $42,690 for grades 7-9 (Junior High), per the school's website.
When is the Marin Montessori School application deadline?: The main application deadline is January 29, 2027. Families apply through Ravenna.
Does Marin Montessori School offer financial aid?: Yes. Marin Montessori School reported $1,173,422 in financial aid to 68 students on its 2024 IRS Form 990.
How many students attend Marin Montessori School?: Marin Montessori School enrolls 258 students in grades Pre-K–9, with about 11 students per teacher (NCES Private School Survey, 2023-24).

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Sources: tuition and admissions from marinmontessori.org (checked Oct 2026); enrollment from the NCES Private School Survey 2023-24; finances from the 2024 IRS Form 990. “—” means we couldn't find it.