How much is Hillside School tuition?

Tuition at Hillside School is $42,000 (day) or $59,900 (boarding) for grades 4-9, per the school's website.

Does Hillside School require the ISEE or SSAT?

Testing is optional at Hillside School.

Does Hillside School offer financial aid?

Yes. Hillside School reported $750,000 in financial aid to 44 students on its 2024 IRS Form 990.

How many students attend Hillside School?

Hillside School enrolls 140 students in grades 4–9, with about 5 students per teacher (NCES Private School Survey, 2023-24).

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Hillside School tuition & admissions

Marlborough, MAGrades 4–9Boarding, boyshillsideschool.net

Tuition

$42,000

Boarding $59,900

Application deadline

—

Students

140

5 students per teacher

Admission test

Optional

Tuition

Grades	Day	Boarding
4-9	$42,000	$59,900

Financial aid: $750,000 to 44 students (about $17,045 each) in 2024, per the school's IRS Form 990.

How to apply

Entry grades	4, 5, 6, 7, 8, 9
Admission test	No test (optional)
Interview	Required
Apply through	school portal (SAO also accepted)
Application fee	$50
Deadline	—
Decisions released	—

School facts

Students	140
Teachers (full-time equivalent)	29
Students per teacher	4.8
School days per year	185
Endowment	$1,691,436 (FY2025)
Annual revenue	$11,449,469 (2024)
Head of school pay	$395,000

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Hillside School FAQ

How much is Hillside School tuition?: Tuition at Hillside School is $42,000 (day) or $59,900 (boarding) for grades 4-9, per the school's website.
Does Hillside School require the ISEE or SSAT?: Testing is optional at Hillside School.
Does Hillside School offer financial aid?: Yes. Hillside School reported $750,000 in financial aid to 44 students on its 2024 IRS Form 990.
How many students attend Hillside School?: Hillside School enrolls 140 students in grades 4–9, with about 5 students per teacher (NCES Private School Survey, 2023-24).

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Sources: tuition and admissions from hillsideschool.net (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.