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day
boys
7-12

St. Sebastian's School

Needham, Massachusetts

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Financials

Source year 2026-2027 · Tuition source · Verified August 22, 2026
Day tuition (2026-2027)
$66,800
Boarding tuition (2026-2027)
—
Financial aid
34% of students
Enrollment
340
Student:Teacher
8:1
Founded
1941
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Can you actually afford this? Claire works out what St. Sebastian's School costs your family after aid — and whether it fits your child.

What St. Sebastian's School actually costs

Estimates — verify with the school

Published tuition is only part of the picture. This projection adds the costs families actually pay (tuition source year 2026-2027), with ~4%/yr tuition inflation.

Program
Years attending
Expected financial aid0% of tuition

34% of students at this school receive aid. Use the school's net price calculator for your family's real number.

Year 1 real cost
$71,200
vs $66,800 published tuition
4-year total
$302,072
incl. $18,408 beyond tuition
Hidden costs per year
  • Books, laptop & course materials$800
  • Athletics gear & team fees$900
  • Activities, trips & event fees$1,200
  • Daily transportation$1,500

About

St. Sebastian's School is a Catholic all-boys day school in Needham, Massachusetts, affiliated with the Oblates of the Virgin Mary. ISL member known for strong academics, athletics, and a values-driven community with smaller class sizes.

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Common questions

How much is tuition at St. Sebastian's School?
At St. Sebastian's School, day tuition is $66,800 per year (2026-2027). The figure comes from the school's own published tuition page.
Does St. Sebastian's School offer financial aid?
Yes. 34% of students at St. Sebastian's School receive financial aid (2026-2027). Award sizes vary by family income and assets, so the published tuition is not what every family pays.
What grades does St. Sebastian's School serve?
St. Sebastian's School serves grades 7-12.
Is St. Sebastian's School a boarding or day school?
St. Sebastian's School is a day school. It is a boys school.
How many students attend St. Sebastian's School?
St. Sebastian's School enrolls about 340 students.
Where is St. Sebastian's School located?
St. Sebastian's School is located in Needham, Massachusetts.

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