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Co-educational Washington International School is a bilingual school teaching in English combined with French, Spanish or Dutch and offering IBPYP and IBDiploma for 900 students ages 4 to 18.

  • Washington International School
    Primary School
    1690 36th Street NW
  • Mailing address:
    Washington International School
    Middle and Upper Schools (Tregaron Campus)
    3100 Macomb Street NW
  • T 1 202 243-1815
  • F 1 202 243-1802
  • E [email protected]
  • W
  • Lower School Ages: 3-11
  • Lower School Sexes: Co-ed
  • Lower School Numbers: 450 girls and boys
  • Middle School Ages: 11-14
  • Middle School Sexes: Co-ed
  • Middle School Numbers: 195 girls and boys
  • Senior School Ages: 14-18
  • Senior School Sexes: Co-ed
  • Senior School Numbers: 255 girls and boys
  • Teaching Language: English and Spanish; English and French; Mandarin (Middle School and up)
  • SEN: Mainstream with SEN support
  • Boarding: Not available
  • Uniform: No
  • School Year: late August to mid-June; three-week Christmas break; one-week spring break
  • School Hours: 8:15am to 15:55pm; Monday - Friday
  • Fee Currency: US dollars
  • Fee Details: Preschool Tuition: $27,400 Pre-Kindergarten Tuition: $34,890 Kindergarten to Grade 5 Tuition: $37,880 Middle School Tuition (Grades 6-8): $42,220 Upper School Tuition (Grades 9-12): $42,830 Capital Levy $2,500 for each new student
  • Fee Extras: Fee extras: exam fees, optional trips and special events, shuttle bus Public Exam Fees, IB Diploma and other public examinations fees Shuttle Bus (between primary school and upper school campuses), paid annually, by the term or on per trip basis.
  • Religion: Non-denominational
  • Memberships: International Baccalaureate Organization Council of International Schools (full accreditation) Middle States Association of Colleges and Schools (full accreditation) Educational Collaborative for International Schools National Association of Independent Schools The Association of Independent Schools of Greater Washington Asia Society Confucius Classroom Network College Board Council for the Advancement and Support of Education
  • State/Independent: Independent: private non-profit


  • Adapted or School-Developed Curriculum at Middle School Level
  • Adapted or School-Developed Curriculum at the Primary Level
  • American High School Diploma (College Preparatory)
  • International Baccalaureate (Diploma)
  • International Baccalaureate Primary Years Programme (PYP)


  • Authorised by International Baccalaureate Organization (not to be confused as an inspection or accreditation agency)
  • Council of International Schools (CIS)
  • Middle States Association of Colleges and Schools (MSACS or MSA)

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