International School of Brooklyn vs Kennedy International School - Upper School
International School of Brooklyn and Kennedy International School - Upper School are both in New York, about 9 km apart. Both schools offer IB and French programmes, and Kennedy International School - Upper School also offers Japanese and American. Published annual fees are $40,206 - 52,537 at International School of Brooklyn and $24,000 - 45,000 at Kennedy International School - Upper School, which puts International School of Brooklyn roughly 34% higher. International School of Brooklyn takes pupils from 3 to 14, and Kennedy International School - Upper School from 3 to 18. International School of Brooklyn is the larger school, with around 386 pupils to Kennedy International School - Upper School's 201.
French Curriculum, Japanese Curriculum, American Curriculum, IB (DP)
Pupils
Pupils
386
Pupils
201
Typical class size
Typical class size
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Typical class size
7
Instruction language
Instruction language
English, French, Spanish
Instruction language
English, French, Japanese
Opened
Opened
2005
Opened
1964
Bus service
Bus service
No
Bus service
No
Essentials
Essentials
Location
Location
ISB's main campus is at 477 Court Street, Brooklyn, NY 11231, with reception and mailing at 192 Luquer Street, Brooklyn, NY 11231. ISB is located in Carroll Gardens, a historic Brooklyn neighborhood with a small‑town feel; Court Street features cafés, parks, shops, and restaurants, including French- and Spanish-speaking businesses.
Location
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Stages
Stages
Pre-K 3–8th Grade
Stages
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School type
School type
Independent, non-profit day school
School type
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Pupil nationality mix
Pupil nationality mix
44 nationalities represented; 23 languages spoken at home.
Pupil nationality mix
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Additional learning support
Additional learning support
Learning Support; targeted language support for English, French, and Spanish; social‑emotional and behavioral support; counseling; School Nurse.
Additional learning support
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Country affiliation
Country affiliation
France (affiliated with AEFE and Mission laïque française)
Country affiliation
—
Religious affiliation
Religious affiliation
Secular
Religious affiliation
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School day structure
School day structure
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; Campus opens to Middle School at 8:15am. After School programming until 6:00pm.
School day structure
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Bus service details
Bus service details
Bus service within about four miles; stops include Bed‑Stuy, Boerum Hill, Brooklyn Heights, Clinton Hill, Cobble Hill, Crown Heights, Downtown Brooklyn, Gowanus, Kensington, Park Slope, Prospect Heights, Prospect Lefferts Gardens, Prospect Park South, South Slope, Windsor Terrace.
Bus service details
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Fees
Fees
Fee details
Fee details
Application fees
- An application fee is required as part of the online admissions application. Application fee waivers are available for families for whom the fee presents a financial hardship, families who submitted an application last year, and families affiliated with the Early Steps and Prep for Prep programs.
Annual tuition by year group (2026–2027 academic year)
- Pre‑K 3: USD 40,206 per year. - Pre‑K 4: USD 42,125 per year. - Kindergarten through Grade 5: USD 47,626 per year. - Grades 6 through 8 (Middle School): USD 52,537 per year.
Per‑term / payment‑plan breakdowns (same tuition amounts, different billing schedules)
- One‑payment plan (full payment): - Full annual tuition payable in one payment by July 1.
- Two‑payment plan (50% / 50%): - Two equal installments: 50% due July 1 and 50% due October 1. - One‑time administrative fee for this plan: USD 50. - Example installment amounts (50% of annual tuition): - Pre‑K 3: USD 20,103.00 per installment. - Pre‑K 4: USD 21,062.50 per installment. - K–5: USD 23,813.00 per installment. - Grades 6–8: USD 26,268.50 per installment.
- Ten‑month plan (monthly payments): - Ten equal monthly payments, due each month from July 1 through April 1. - One‑time administrative fee for this plan: USD 110. - Example monthly amounts (annual tuition divided by 10): - Pre‑K 3: USD 4,020.60 per month. - Pre‑K 4: USD 4,212.50 per month. - K–5: USD 4,762.60 per month. - Grades 6–8: USD 5,253.70 per month.
Deposit and confirmation payment
- A USD 5,000 deposit is required with signed enrollment contracts to secure a student's place. The deposit is deducted from the tuition balance; the deposit amount is adjusted for families who receive tuition assistance.
Billing schedule and payment terms
- Families choose one of the three tuition payment plans; exact due dates are: - One‑payment: full amount due July 1. - Two‑payment: 50% due July 1 and 50% due October 1. - Ten‑month: payments due monthly from July 1 through April 1. - The chosen plan includes the one‑time administrative fee noted above where applicable. Tuition covers books, field trips (including overnight trips), classroom activities, and materials; some programs and fees are charged separately.
Boarding fees
- ISB is a day school (Pre‑K 3 through Grade 8); there are no boarding fees.
Other costs and recurring fees
- Parents' Association fee: USD 100 per year (not included in tuition). - Lunch program: available for an additional fee (Little Green Gourmets hot lunch program); lunch is not included in tuition. - After School & Enrichment program: offered on a trimester basis for an additional fee; After School Care fees are charged separately from tuition. - Athletics program: fees for athletics are charged separately from tuition. - Middle School laptop fee: Middle School technology/laptop fee is charged in addition to tuition. - Summer program: non‑refundable registration fee USD 30 per session; the summer program is charged separately. - School store / school‑branded gear and optional uniform items are available for purchase through The ISB Store. These purchases are additional to tuition and program fees. - Transportation: ISB partners with the NYC Department of Education to offer bus service free of charge to students in Kindergarten through Grade 5; morning bus service is available to 6th graders. Bus service and eligibility are subject to route availability.
Refund information
- The USD 5,000 deposit is applied to the tuition balance at enrollment. Deposit adjustment for families receiving tuition assistance is applied at the time of contract. Specific refund terms for deposits or prepaid tuition beyond this deposit application are governed by the enrollment contract and school billing policies.
Fee payment options and administrative handling
- Tuition and fees are administered through ISB's enrollment and billing systems and by the school's Business/Finance Office; families select a payment plan on the enrollment contract and pay according to the contract schedule. The admissions and enrollment flow uses the Veracross/ISB parent portals for application and account access. For exact available payment methods (for example, check, ACH/wire transfer, or card options) and any card convenience fees or bank transfer instructions, payment details are provided in the enrollment contract and billing communications.
Notes on coverage
- Tuition figures and the deposit amount above are the published 2026–2027 school‑year rates and the stated deposit requirement. Tuition excludes the items specifically listed above (lunch, after‑school, athletics, Middle School laptop fee, Parents' Association fee). Administrative fees apply to the two‑payment and ten‑month payment plans as noted.
Fee details
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Diving deeper
Diving deeper
Boarding arrangements
Boarding arrangements
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Boarding arrangements
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Uniform requirement
Uniform requirement
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Uniform requirement
—
Food options
Food options
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Food options
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House system
House system
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House system
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Governance and ownership
Governance and ownership
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Governance and ownership
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Academics
Academics
Curriculum details
Curriculum details
ISB is an IB World School offering the Primary Years Programme (PYP) for Pre-K 3 through 5th grade and the Middle Years Programme (MYP) for 6th through 8th grade, with immersive language programs in French and Spanish. The Preschool–Lower School are accredited by the French Ministry of Education, while the full program is accredited by the Spanish Ministry of Education, and the curriculum incorporates New York State standards within an IB framework. The IB emphasises inquiry-based learning and multilingualism, helping students develop global understanding. Language learning occurs in authentic cultural contexts with instruction by native speakers.
Curriculum details
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Student teacher ratio
Student teacher ratio
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Student teacher ratio
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Exam results
Exam results
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Exam results
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Higher education progression
Higher education progression
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Higher education progression
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Gifted and talented
Gifted and talented
Enrichment class offerings are available for PK3–5th grade.
Gifted and talented
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Academic calendar
Academic calendar
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Academic calendar
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Wellbeing & support
Wellbeing & support
Social & emotional learning
Social & emotional learning
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Social & emotional learning
—
Special educational needs (SEN)
Special educational needs (SEN)
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Special educational needs (SEN)
—
English as an additional language
English as an additional language
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English as an additional language
—
Mental wellbeing
Mental wellbeing
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Mental wellbeing
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Safeguarding
Safeguarding
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Safeguarding
—
Safeguarding policy
Safeguarding policy
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Safeguarding policy
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Facilities
Facilities
Facilities overview
Facilities overview
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Facilities overview
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Sports facilities
Sports facilities
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Sports facilities
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Academic facilities
Academic facilities
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Academic facilities
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Extra curricular facilities
Extra curricular facilities
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Extra curricular facilities
—
Parent experience
Parent experience
History
History
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History
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Community
Community
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Community
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Parent teacher association
Parent teacher association
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Parent teacher association
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Extra-curricular
Extra-curricular
Academic & intellectual
Academic & intellectual
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Academic & intellectual
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Arts & creative
Arts & creative
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Arts & creative
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Cultural & language
Cultural & language
—
Cultural & language
—
Social & hobbies
Social & hobbies
—
Social & hobbies
—
Community & service
Community & service
—
Community & service
—
Leadership & professional
Leadership & professional
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Leadership & professional
—
Lifestyle & wellbeing
Lifestyle & wellbeing
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Lifestyle & wellbeing
—
Language provision
Language provision
Language provision
Language provision
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Language provision
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Bilingual teaching
Bilingual teaching
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Bilingual teaching
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Immersion programs
Immersion programs
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Immersion programs
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Reputation
Reputation
Awards
Awards
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Awards
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Accreditations
Accreditations
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Accreditations
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Admissions
Admissions
Admissions
Admissions
Welcome to International School of Brooklyn. 1. Schedule a tour of the school. Parents and guardians meet ISB's administration, learn about the bilingual program, and have the opportunity to ask questions. Tours are for parents/guardians only; children do not attend. 2. Submit the online application for the 2026-2027 school year. Applications open September 2, 2025, and the deadline to submit is December 8, 2025. Supplemental materials, such as teacher reports and transcripts, are due by January 8, 2026. 3. Language considerations. For Pre-K 3 to Kindergarten, applicants from all language backgrounds are welcome; for 1st to 5th Grade, applicants should speak, read, and write in French or Spanish at grade level, with a language assessment part of the application. Middle School offers options for students starting or continuing French or Spanish, and all students must be fluent in English to enter Middle School. 4. Admissions visits. Parent interviews are typically conducted for Pre-K4 to 5th Grade; student visits occur for 1st to 8th Grade, during which language assessments and/or writing exercises may be completed; a weekend playgroup is offered for Pre-K 3 to 5. 5. Recommendations. The current teacher should submit the teacher recommendation form, ideally after November 1, for the 2026-27 cycle; the form is due by January 8, 2026. 6. Fees, entry points, and waivers. Fee waivers are available for families facing financial hardship, for those who applied last year, or for families affiliated with Early Steps and Prep for Prep programs. Entry points include Preschool (Pre-K3, Pre-K4, Kindergarten) and 6th Grade, with occasional admission to other grades; siblings are given special consideration but not guaranteed. 7. Notification and next steps. ISB follows ISAAGNY notification dates; Pre-K3 and Pre-K4 notifications occur February 26, 2026; Kindergarten on February 5, 2026; 1st–8th Grade on February 11, 2026. After notification, families proceed with enrollment, transportation, and other arrangements.
Admissions
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Scholarships
Scholarships
ISB offers a tuition assistance program to support enrollment across income levels. In 2023-2024 ISB granted more than $2.9 million in tuition assistance. In 2024-2025, over $3 million in tuition assistance was awarded, reaching about 30% of ISB's student body. Families applying to all grades may submit a separate application for tuition assistance through Clarity.
