International School of Boston
- French
- IB Diploma
- IB MYP
- American
Per yearUSD 29.5K–51.3K
2026-27 school year · Source: school website (checked 2026-11-06)
About
Bilingual private PreK-12 school in Cambridge, MA. Younger learners follow a French-English immersion curriculum, and Grades 9-12 offer an English-taught International Baccalaureate pathway alongside the French Baccalaureate.
Key facts
Source: Read from the school's website
Curriculum
French · IB Diploma · IB MYP
Ages
Ages 2–18
Students
500
Language
English, French
Type
Bilingual school
Fee level
- Nationalities
- 50
- Financial aid
- Yes
Fees
Source: Read from the school's website
2026-27 school year
Age on the first day of the school year (usually 1 September). Cut-off dates differ by school.
| Grade | Per year |
|---|---|
| Half-day Preschool (Toute Petite Section | USD 29,500 |
| Preschool (TPS, Pre-K, Mid-K) and Kinder | USD 36,880 |
| Lower School (Grades 1-5) | USD 40,770 |
| Middle School (Grades 6-8) | USD 43,000 |
| Upper School (Grades 9-12) | USD 51,260 |
Show fee charts
| per year | |
|---|---|
| Half-day Preschool (Toute Petite Section | USD 29,500 |
| Preschool (TPS, Pre-K, Mid-K) and Kinder | USD 36,880 |
| Lower School (Grades 1-5) | USD 40,770 |
| Middle School (Grades 6-8) | USD 43,000 |
| Upper School (Grades 9-12) | USD 51,260 |
Source: school website (isbos.org) · checked 2026-11-06
| min | max | |
|---|---|---|
| International School of Boston (this school) | USD 29,500 | USD 51,260 |
| Star Academy for the Gifted and Talented | USD 25,500 | USD 25,500 |
| École Française de Boston | USD 20,600 | USD 26,000 |
| German International School Boston | USD 28,365 | USD 32,205 |
| British International School of Boston | USD 25,468 | USD 51,291 |
| The Newman School | USD 36,000 | USD 36,000 |
Source: school website (isbos.org) · checked 2026-11-06
As published by the school. Amounts change with the school year and exchange rates; please confirm with the school before applying. Source: school website (checked 2026-11-06)
Curriculum and academics
Source: Read from the school's website
Curricula, explainedIB MYP · IB DP (Diploma) · American curriculum
The IB's four programmes
Schools often run only some of the four. Highlighted boxes are the ones this school offers.
- IB PYPNot here
Early years to primary · Ages 3–12
The IB's primary programme. Children learn through questions and units of inquiry rather than separate subjects.
- IB MYPOffered
Middle years (ages 11–16) · Ages 11–16
The IB's middle-years programme: eight subject groups taught with links between them, ending with a personal project.
- IB DP (Diploma)Offered
Last 2 years of school · Ages 16–19
The IB's university-entrance qualification — what people usually mean by "the IB". Six subjects plus the Extended Essay, TOK and CAS, scored out of 45.
- IB CP (Career-related)Not here
Last 2 years of school · Ages 16–19
The IB's career-related route for the same ages as the DP: at least two DP courses plus a career-related study chosen by the school.
Last two years: DP or CP
American curriculum
Kindergarten to Grade 12 · Ages 5–18
Grade-by-grade like US schools; students graduate by earning course credits, often with AP courses in high school.
Ages are the usual bands; schools can differ.Curriculum basics guide
Strengths
- Academics
- Languages
- Service
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Accreditation and memberships
Source: Read from the school's websiteCompiled from public sources
- Accreditations
- CIS, IB, NEASC
- Memberships
- COIS
Location
Source: Read from the school's website
Similar schools
The Newman SchoolIB Diploma · IB MYP
USD 36K
British International School of BostonBritish · IGCSE · IB Diploma
USD 25.5K–51.3K
École Française de BostonFrench
USD 20.6K–26K
Snowden International SchoolIB Diploma
Schools in the same city with a similar curriculum and fee level. Not a ranking.
More in this city · BostonUpdated 2026-11-06
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