Washington International School

  • Washington International School (WIS) is a coeducational day school offering 900 students a challenging international curriculum and rich language program from Preschool through Grade 12.
  • Students in Preschool through Grade 5 follow the International Baccalaureate (IB) Primary Years Program (PYP); in Grades 6-10 students pursue a multidisciplinary course of study.
  • In their final two years of high school, all students are enrolled in IB Diploma Program courses.
  • We equip children with the tools to master rigorous academic challenges in math, science, languages, literature, social sciences, and the arts.
  • An active sports schedule, programs in the arts, participation in clubs, community service in Washington, DC and around the world, and travel programs-for study and for fun-help create well-rounded students who are also engaged global citizens.

Top Placements

Washington International School places among the top 20% of private schools in District of Columbia for:

School Overview

School Membership(s)School Assoc.European Council for International Schools
National Association of Independent Schools (NAIS)
Middle States Association of Colleges and Secondary Schools
International Baccalaureate (IB) World School
Religious AffiliationNonsectarian
Grades OfferedGrades Nursery/Preschool-12
Year Founded1966

Student Body

Total Students899 students
Student Body TypeCo-ed
Students by Grade Washington International School Student By Grade

Academics and Faculty

Total Classroom Teachers104 teachers
Student : Teacher Ratio9:1
National avg.: 13:1
% Faculty w/Advanced Degree
List of Courses OfferedLink to List of Courses
Matriculation DataMatric. DataLink to Matriculation Data
Classroom Dress CodeCasual

Finances and Admission

Admission DeadlineJan. 5
Yearly Tuition Cost$41,380
Tuition NotesPreschool Tuition: $26,470 Pre-Kindergarten Tuition: $33,710 Kindergarten to Grade 5 Tuition: $36,600 Middle School Tuition (Grades 6-8): $40,790 Upper School Tuition (Grades 9-12): $41,380
% on Financial Aid
Admissions DirectorMary Hastings Moore
Endowment Size$6 million


Total Sports Offered9 sports
SportsBaseball, Basketball, Cross Country, Golf, Soccer, Softball, Tennis, Track and Field, VolleyballBaseballBasketball,
Cross CountryGolf,
TennisTrack and Field,


Total ExtracurricularsTotal Extra-curric.4 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
many student-organized clubs

Arts and Music Programs:
chorus and instrumental music., In middle and upper schools, two musicals and two plays each year

Profile last updated:

Show me:
Show me:
  • School Location Miles Grades Students
  • Washington
    Grades: PK-12 | 1050 students
    1.7 miles
    4200 Davenport Street, NW
    Washington, DC 20016
    1.7 PK-12
  • Washington
    Grades: K-12 | 650 students
    0.3 miles
    3000 Cathedral Avenue NW
    Washington, DC 20008
    0.3 K-12
  • Washington
    Grades: PK-12 | 1153 students
    0.8 miles
    3825 Wisconsin Ave NW
    Washington, DC 20016
    0.8 PK-12
  • Washington
    Grades: NS-12
    1.2 miles
    2001 Wisconsin Avenue NW
    Washington, DC 20007
    1.2 NS-12
  • Washington
    Grades: 6-12 | 306 students
    0.6 miles
    4101 Connecticut Avenue, NW
    Washington, DC 20008
    0.6 6-12

School Reviews

Endorse Washington International School. Endorsements should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
  • Academic or athletic awards

I am a:

Name or Alias:

Your review:

Endorse this school:
Recent Articles
SSAT and ISEE scores are one part of the total picture which most private school admissions staff review. These standardized tests reveal what you have learned in key mastery areas.
Do you think your son has a learning disability? Not sure what to do? A special needs school might be the way to go.
You thought everything was set. The test scores were excellent. She had glowing teacher recommendations. The visit and the interview went well. But the school didn't accept your child. What do you do now?
Request Information
I am a:      
Name of parent:
Student First name:
Student Middle name:
Student Last name:
Student date of birth:
Student is:
Currently in grade:
Seeking entry for grade:
Target start date:
Name of current school:
School type:
Applying for financial aid?:
Please describe academic, athletic, and extracurricular interests of the student.:

(enter "N/A" if not applicable)
Did You Know?
The average private school tuition in Washington, DC is $20,047 for elementary schools and $27,391 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Washington, DC is 61% (read more about average acceptance rates across the country).