Washington International School
International School in Washington D.C. area
900
108 (U.S.)
18 max
Rolling
About Washington International School
Washington International School is an all-gender international day school for students in Preschool through Grade 12.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $33,480 – $54,685 |
| Annual tuition (USD) | 33480-54685 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $45,123(+2%) |
| First-year total (with registration + deposit) | $46,623 |
| Cost position in Washington D.C. area | 100th percentile(premium tier) |
IB
IB Diploma (Grades 11-12) ERBs (Grades 3-8)
High-level IB Diploma results are shared on the WIS website and in the School Profile. WIS students consistently perform well above the world averages.
Spanish, French, Mandarin
WIS practices a variety of differentiation strategies within classrooms.
WIS has learning specialists for all divisions.
Extra support is available for Grades 1-5 French and Spanish students who are not at grade level in their language competency.
8:15 AM for Middle and Upper School; 8:20 AM for Grades 1-5 and 8:50 AM for Early Years. – A little before of after 3:00 PM for all but Grades 11-12. Grades 11-12 may have class until 3:45 PM.
Yes
Options are available but may not stretch to every dietary preference/requirement.
Is Washington International School right for your family?
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At a Glance
Fee Position in Washington D.C. area
PremiumSchool Profile
Student Diversity
Very diverse
Common: U.S.
Estimated Real Cost
Tuition + registration, transport, uniform, exams
Nearby Schools (within 5km)
Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.