International School of Brooklyn is a IB Primary Years Programme / IB Middle Years Programme / IB school in Brooklyn, United States. Founded in 2005. Annual tuition ranges from $40,206 to $52,537 USD.
Location & Getting There
NanaSays Scorecard
Key Details
Scholarships Available
ISB offers a tuition assistance program open to families applying to all grades, submitted through Clarity. In 2023–2024, over $2.9 million was awarded; in 2024–2025, over $3 million was awarded, reaching approximately 30% of the student body.
Key facts
About
International School of Brooklyn is a private day school authorized by the International Baccalaureate organization since 2010. The school offers the Primary Years Programme and Middle Years Programme with instruction in English, Spanish, and French. Located in Brooklyn, New York, it serves students in a coeducational environment.
School data verified by NanaSays. Last updated: April 2026.
Why Families Choose
ISB is an IB World School with immersive bilingual education in French and Spanish, taught by native-speaking teachers. The Preschool–Lower School is accredited by the French Ministry of Education and the full program by the Spanish Ministry of Education. The school represents 44 nationalities with 23 home languages, emphasising inquiry-based multilingual learning within a non-profit community school setting in Carroll Gardens, Brooklyn.
Fees & Financials
| Grade / Year | Annual Fee |
|---|---|
| Pre-K 3 | USD 40,206 |
| Pre-K 4 | USD 42,125 |
| Grades 6-8 | USD 52,537 |
| Kindergarten-Grade 5 | USD 47,626 |
Original currency: USD 40,206 - 52,537.
Admissions Process
- 1Schedule a tour (parents/guardians only). 2) Submit online application; applications open September 2, 2025, deadline December 8, 2025; supplemental materials due January 8, 2026. 3) Language assessment for grades 1–8. 4) Admissions visits including parent interviews (Pre-K4–5th Grade), student visits (1st–8th Grade), and weekend playgroup (Pre-K 3–5). 5) Teacher recommendation form due January 8, 2026. 6) Application fee (waivers available). 7) Notifications follow ISAAGNY dates: Pre-K3/4 on February 26, 2026; Kindergarten on February 5, 2026; 1st–8th Grade on February 11, 2026.
Admissions Details
School Day
ISB is open from 8:00am to 6:00pm daily. Pre-K 3 and Pre-K 4: 9:00am–3:00pm. Kindergarten to 5th Grade: 8:30am–3:30pm. Middle School (6th–8th Grade): 8:45am–3:45pm (zero period 8:15am–8:45am). Early drop-off starts at 8:00am for Kindergarten–5th Grade and 8:20am for Pre-K 3–4. After School programming until 6:00pm.
Student Life
Optional uniform items and school-branded gear are available for purchase through The ISB Store; no mandatory uniform policy stated.
ISB partners with Little Green Gourmets for lunch. Hot meals are served daily on campus in the Cafeteria (1st–8th Grade) or in Preschool classrooms. Regular, vegetarian, and beef-free menus are offered, with monthly menus reflecting seasonal availability. The kitchen is peanut-, tree-nut-, sesame-, and shellfish-free. Gluten-free, vegan, and dairy/egg-free options are available for an additional fee. Lunch is not included in tuition.
Facilities & Programmes
Wellbeing & Safety
Mental wellbeing is addressed through social-emotional and behavioral supports. The Counseling Team collaborates with teachers and families to develop strategies including brief counseling, behavior plans, or connections to outside resources. Affinity and alliance groups support identity development, self-esteem, and resilience.
Gender policy and hate speech policy codify safety, affirmation, and support for all members of the ISB community, with an accountability model for incidents.
Student Demographics
School Background
private