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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
    Tregaron Campus (Middle/Upper schools):
    3100 Macomb Street NW
  • T 1 202 243-1815
  • F 1 202 243-1802
  • E [email protected]
  • W
  • Lower School Ages: 4-11
  • 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; English and Dutch; English and Mandarin (Middle School and up)
  • SEN: Mainstream with SEN support
  • Boarding: Not available
  • Uniform: No
  • School Year: September - June; three-week Christmas break; one-week spring break.
  • School Hours: 8:25am to 15:55pm; Monday - Friday
  • Fee Currency: US dollars
  • Fee Details: Grades 1-5 $30,160 (2013-14) Grades 6-12: $33,620 (2013-14) (Dutch Annual Tuition is higher, please consult the school) Application Fee $50 ($75 for overseas applicants) Capital Levy $2,500 for each new student
  • Fee Extras: Fee extras: exam fees, optional trips and special events, shuttle bus. Additional Fees: optional field trips (camping, ski trips), educational tours, extra languages, other events (theatre outings) Public Exam Fees, IB Diploma and other public examinations fees Shuttle Bus (between primary school and upper school campuses), paid annually or on per trip basis.
  • Religion: Non-denominational
  • Memberships: Member of the National Association of Independent Schools (NAIS), European Council of International Schools.
  • 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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