How much is The Winsor School tuition?

For 2026-27, tuition at The Winsor School is $68,550 for all grades, per the school's website.

Does The Winsor School require the ISEE or SSAT?

It depends on the grade: the ISEE for grades 5-8; the SSAT for grades 9-11.

When is the The Winsor School application deadline?

The main application deadline is January 15, 2027, and decisions are released March 10, 2027. Families apply through Ravenna.

Does The Winsor School offer financial aid?

Yes. The Winsor School reported $5,632,895 in financial aid to 120 students on its 2024 IRS Form 990.

How many students attend The Winsor School?

The Winsor School enrolls 475 students in grades 5–12, with about 6 students per teacher (NCES Private School Survey, 2023-24).

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The Winsor School tuition & admissions

Boston, MAGrades 5–12Day, girlswinsor.edu

Tuition 2026-27

$68,550

Application deadline

January 15

2027

Students

475

6 students per teacher

Admission test

Varies by grade

Tuition 2026-27

Grades	Day
All grades	$68,550

Financial aid: $5,632,895 to 120 students (about $46,941 each) in 2024, per the school's IRS Form 990.

How to apply

Entry grades	5, 6, 7, 9, 10, 11
Admission test, grades 5-8	ISEE
Admission test, grades 9-11	SSAT
Interview	Required
Apply through	Ravenna
Application fee	—
Deadline	January 15, 2027
Decisions released	March 10, 2027

College results, class of 2026

Seniors	65
Go to a 4-year college	97%
SAT (middle 50%)	—
ACT (middle 50%)	—
AP courses	13
AP exams scored 3+	—
National Merit semifinalists	—

School facts

Students	475
Teachers (full-time equivalent)	77
Students per teacher	6.1
School days per year	162
Endowment	$143,574,185 (FY2025)
Annual revenue	$43,443,149 (2024)
Head of school pay	$746,815

Where graduates went to college (2022-2025)

Harvard University17
Emory University14
Massachusetts Institute of Technology9
Cornell University8
Amherst College7
Boston College7
Brown University7
New York University7
Tufts University7
Colby College6
Washington University in St Louis6
Yale University6
Georgetown University5
Northeastern University5
Northwestern University5
University of Massachusetts-Amherst5
University of St Andrews5
Bates College4
Boston University4
Carnegie Mellon University4
Columbia University in the City of New York4
Dartmouth College4
Fordham University4
Middlebury College4
Princeton University4
University of Michigan-Ann Arbor4
University of Virginia-Main Campus4
Brandeis University3
Hamilton College3
Haverford College3
Stanford University3
University of Pennsylvania3
Wellesley College3
Williams College3

From the school's college counseling profile.

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The Winsor School FAQ

How much is The Winsor School tuition?: For 2026-27, tuition at The Winsor School is $68,550 for all grades, per the school's website.
Does The Winsor School require the ISEE or SSAT?: It depends on the grade: the ISEE for grades 5-8; the SSAT for grades 9-11.
When is the The Winsor School application deadline?: The main application deadline is January 15, 2027, and decisions are released March 10, 2027. Families apply through Ravenna.
Does The Winsor School offer financial aid?: Yes. The Winsor School reported $5,632,895 in financial aid to 120 students on its 2024 IRS Form 990.
How many students attend The Winsor School?: The Winsor School enrolls 475 students in grades 5–12, with about 6 students per teacher (NCES Private School Survey, 2023-24).

More private schools in Boston

Sources: tuition and admissions from winsor.edu (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.