Enrollment
330
Student:teacher
5:1
Published tuition
$40,206–$52,537
Application fee
$75
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Tuition by division
| Division | Grades | Annual tuition | Notes |
|---|---|---|---|
| Preschool / Pre-K2026-2027 | Pre-K 3 | $40,206 | — |
| Preschool / Pre-K2026-2027 | Pre-K 4 | $42,125 | — |
| Elementary2026-2027 | Kindergarten – 5th Grade | $47,626 | — |
| Middle school2026-2027 | 6th – 8th Grade | $52,537 | — |
Head of school
Joe Santos
Head of School, Alumni Parent ’22 & ’25
Joe Santos is a native Spanish-speaking British citizen who was born and raised in Gibraltar and educated in English. He previously served as the Director of Middle School at ISB, overseeing the growth of the Middle School and leading through IB authorization.
Curriculum & special classes
International School of Brooklyn offers a multilingual educational experience for Pre-K 3 through 8th Grade, preparing students for open-minded communication, critical thinking, and compassionate action. The International Baccalaureate provides the framework for an engaging, relevant, and challenging education, combined with a language immersion model.
Financial aid
ISB has a need-based tuition assistance program to ensure accessibility for students from a wide range of socioeconomic backgrounds. In 2025-2026, ISB granted over $3.4 million in tuition assistance to a third of the student body.
Application fee: $75
Before & after school care
Before school
Early drop-off is available starting at 8:00am for students in Kindergarten to 5th Grade and 8:20am for students in Pre-K 3 and Pre-K 4. This program is available free of charge and does not require prior registration. Campus opens to Middle School students at 8:15am.
After school
After School programming is offered until 6:00pm on every full day of school for students in Pre-K 3 to 5th Grade. Students can sign up for enrichment classes or After School Care on a trimester basis. Drop-in options are also available.
Cost
After School Care and enrichment classes are optional and have additional fees, though families receiving tuition assistance also receive discounts on After School Care.
Extended-care hours and rates change yearly — parents can correct these below.
Admissions
Applications are completed online via Veracross. The process typically involves an inquiry form, attending a tour or info session, submitting an online application with a fee, teacher recommendations, and a student visit or playgroup. Financial aid applications are separate.
Apply by
Priority Admission for September 2027 entry: December 7, 2026 at 11:59pm for online application; January 8, 2027 for supplemental materials. Rolling admission is available thereafter as space allows.
Acceptance rate
Not listed
Application fee
$75
What they ask for: Online inquiry form, admissions tour/virtual info session, online application (student/household info, family questionnaire, $75 application fee), teacher recommendation (ISAAGNY form), virtual parent interview (Pre-K 4 to 5th Grade), student visit (1st to 8th Grade), playgroup visit (Pre-K 3, Pre-K 4, Kindergarten). Financial aid requires a Clarity application. Language assessment required for 1st-8th Grade applicants (French/Spanish for 1st-5th, English for Middle School).
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