Annual tuition by grade (2026–2027 academic year)
- Half-Day Preschool (Toute Petite Section and Pre-K only, mornings only): USD 29,500.
- Preschool (TPS, Pre-K, Mid-K) and Kindergarten: 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.
Application / admission charges
- Matriculation fee (one-time, non-refundable, not applied toward tuition): USD 2,000 for the first new student; USD 1,500 for the second child; USD 1,000 for any additional children.
- Annual re-enrollment deposit (non-refundable, applied toward tuition): USD 2,000 per student.
Tuition payment schedule and payment terms (dates shown are the stated due dates for the 2026–2027 cycle)
- Option 1: Payment of tuition in full by June 5, 2026.
- Option 2: Two installments — 60% of the annual tuition due by June 5, 2026, and the remaining 40% due by November 5, 2026. Example amounts by grade under Option 2:
- Half-Day Preschool: 60% = USD 17,700; 40% = USD 11,800.
- Preschool & K: 60% = USD 22,128; 40% = USD 14,752.
- Lower School: 60% = USD 24,462; 40% = USD 16,308.
- Middle School: 60% = USD 25,800; 40% = USD 17,200.
- Upper School: 60% = USD 30,756; 40% = USD 20,504.
- Option 3: Ten monthly installments (June 2026 through March 2027). Monthly payment examples (annual tuition divided by 10) plus a yearly flat administrative fee of USD 40 billed by Veracross:
- Half-Day Preschool: USD 2,950 per month (plus USD 40 annual Veracross fee).
- Preschool & K: USD 3,688 per month (plus USD 40 annual Veracross fee).
- Lower School: USD 4,077 per month (plus USD 40 annual Veracross fee).
- Middle School: USD 4,300 per month (plus USD 40 annual Veracross fee).
- Upper School: USD 5,126 per month (plus USD 40 annual Veracross fee).
- All matriculation fees, re-enrollment deposits, and tuition payments are completed through the school's Veracross billing system. Methods of payment accepted include checking/savings accounts drawn on a U.S. bank, wire transfer, and credit cards.
Additional and recurring charges (typical items billed separately or based on participation)
- Textbooks / media (Grades 6–12) and examination fees (Grades 11–12) are billed separately. Typical estimates: Grades 6–10 average ~USD 350 per year; Grades 11–12 (French Baccalaureate) ~USD 500 per year; International Baccalaureate fees up to ~USD 1,000 covering two years.
- Examination fee estimates: Grade 11 (French program) registration ~USD 280; Grade 12 (French program) registration ~USD 340 plus ~USD 270 for the Baccalauréat Français International (BFI); Grade 12 (IB DP) ~USD 750 total.
- Global Learning Program (overnight and curriculum trips) anticipated fees (cover transportation and accommodations when applicable): Grades 1–2: USD 300; Grades 3–4: USD 500; Grade 5: USD 1,200; Grades 6–8: USD 1,000. Grade 9 and Grade 12 GLP costs are covered by the school; Grades 10–11 GLP fee: USD 400.
- Extended day / after-school: Garderie (TPS through Grade 5) USD 14.00 per hour; Middle School study hall USD 15.00 per hour or an annual flat fee of USD 900.
- Extracurricular activities and overnight trips are billed based on participation; Upper School varsity teams carry no participation cost.
- Private ISB bus service and the hot lunch program are optional and billed upon participation. The hot lunch program is provided by an external catering company and is billed separately.
Boarding / homestay (where offered by the school)
- ISB Housing Program (host-family room and board, supervised by ISB) for Upper School international and domestic students: USD 25,000 for room and board from August 25, 2026 to June 30, 2027. This fee includes day field trips, the ISB lunch program, a monthly public transportation pass, the yearbook, and, if applicable, the new student orientation program in August.
Uniforms and other school supplies
- Preschool (Pre-K, Mid-K) and Kindergarten: supplies included in the listed tuition.
- Lower School: all supplies included in the listed tuition.
- Textbooks and media for Grades 6–12 are billed separately (see textbook estimates above). Uniform costs (where applicable) and personal supplies vary and are generally family-paid; extracurricular equipment, travel clothing, and optional program materials are billed separately when required.
Refunds and non-refundable items
- The matriculation fee is one-time and non-refundable.
- The annual re-enrollment deposit is non-refundable but is applied toward tuition.
- Other refund specifics for tuition installments or program fees are not listed in the school's tuition summary document; the only explicitly stated non-refundable items are the matriculation fee and the re-enrollment deposit.
Fee payment channels and administrative notes
- All matriculation fees, re-enrollment deposits, and tuition payments are processed through Veracross.
- Accepted payment methods: checking/savings account drawn on a U.S. bank, wire transfer, or credit card.
- The ten-month payment plan carries a yearly flat administrative fee of USD 40 billed via Veracross.