How much is Mark Day School tuition?

For 2026-27, tuition at Mark Day School is $48,394 for grades K-8, per the school's website.

Does Mark Day School require the ISEE or SSAT?

Mark Day School requires its own assessment for applicants.

When is the Mark Day School application deadline?

The main application deadline is January 15, 2027, and decisions are released March 11, 2027. Families apply through the school's own portal.

Does Mark Day School offer financial aid?

Yes. Mark Day School reported $3,249,446 in financial aid to 102 students on its 2024 IRS Form 990.

How many students attend Mark Day School?

Mark Day School enrolls 386 students in grades K–8, with about 10 students per teacher (NCES Private School Survey, 2023-24).

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Mark Day School tuition & admissions

San Rafael, CAGrades K–8Day, coedmarkdayschool.org

Tuition 2026-27

$48,394

Application deadline

January 15

2027

Students

386

10 students per teacher

Admission test

Own test

Tuition 2026-27

Grades	Day
K-8	$48,394

Financial aid: $3,249,446 to 102 students (about $31,857 each) in 2024, per the school's IRS Form 990.

How to apply

Entry grades	K, 1, 2, 3, 4, 5, 6, 7
Admission test	Its own assessment
Interview	Required
Apply through	School's own portal
Application fee	—
Deadline	January 15, 2027
Decisions released	March 11, 2027

School facts

Students	386
Teachers (full-time equivalent)	39
Students per teacher	9.9
School days per year	166
Endowment	$16,692,387 (FY2025)
Annual revenue	$23,012,568 (2024)
Head of school pay	$566,277

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Mark Day School FAQ

How much is Mark Day School tuition?: For 2026-27, tuition at Mark Day School is $48,394 for grades K-8, per the school's website.
Does Mark Day School require the ISEE or SSAT?: Mark Day School requires its own assessment for applicants.
When is the Mark Day School application deadline?: The main application deadline is January 15, 2027, and decisions are released March 11, 2027. Families apply through the school's own portal.
Does Mark Day School offer financial aid?: Yes. Mark Day School reported $3,249,446 in financial aid to 102 students on its 2024 IRS Form 990.
How many students attend Mark Day School?: Mark Day School enrolls 386 students in grades K–8, with about 10 students per teacher (NCES Private School Survey, 2023-24).

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Sources: tuition and admissions from markdayschool.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.