Lycée International de Boston

Boston, United States

IB Diploma
French
American

Per yearUSD 29.5K–51.3K

2026-27 school year · Source: school website (checked 2026-11-06)

Image from the school website · isbos.org

Private bilingual PreK-12 school in Cambridge, Massachusetts. Preschool to Grade 8 uses French-English bilingual learning. Upper School offers a choice of the International Baccalaureate Diploma (taught in English) or the French Baccalaureate, alongside an American high school diploma. About 500 students from age 2 through Grade 12.

Key facts

Source: Read from the school's website

Private Bilingual schoolFrench Schools Abroad (AEFE) · Partner

Part of French Schools Abroad (AEFE), a government-recognised school network abroad. See all 638 schools of French Schools Abroad (AEFE)

School website

Info checked 2026-11-06 · Fees 2026-27

Curriculum
IB Diploma · French · American
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

Find the grade by your child's age

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

Annual tuition by grade

In the school's currency; the reference conversion is in brackets. · 2026-27

Lycée International de Boston · Annual tuition by 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

Source: school website (isbos.org) · checked 2026-11-06

Fee range vs schools in the same city

Lowest to highest annual tuition across grades.

Lycée International de Boston · Fee range vs schools in the same city
	min	max
Lycée International de Boston (this school)	USD 29,500	USD 51,260
Star Academy for the Gifted and Talented	USD 25,500	USD 25,500
The Newman School	USD 36,000	USD 36,000
École Française de Boston	USD 20,600	USD 26,000
International School of Boston	USD 29,500	USD 51,260
German International School Boston	USD 28,365	USD 32,205

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, explained

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 MYPNot here
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