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 course of study designed to build skills in key areas while enhancing their ability to think deeply and solve problems.
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.
Quick Stats (2024-25)
- Top Ranked DC School
- School Type: School with Special Program Emphasis
- Grades: Nursery/Preschool-12
- Enrollment: 899 students
- Yearly Tuition: $49,720
- Average class size: 14 students
- Application Deadline: Jan. 5
- Source: Verified school update
Top Rankings
Washington International School ranks among the top 20% of private schools in District Of Columbia for:
Category
Attribute
Student Body
School Overview
School Type
Religious Affiliation
Grades Offered
Grades Nursery/Preschool-12
Year Founded
1966
School Calendar
Student Body
Total Students
899 students
Student Body Type
Co-ed
Students by Grade
Academics and Faculty
Total Classroom Teachers
106 teachers
Student : Teacher Ratio
8:1
National avg.: 13:1
% Faculty w/Advanced Degree
72%
Average Class Size
14 students
List of Courses Offered
Average SAT score
1390
(Out of 1600)
Average ACT score
31
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
Jan. 5
Yearly Tuition Cost
$49,720
Tuition Notes
Preschool Tuition: $30,950
Pre-Kindergarten Tuition: $39,405
Kindergarten Tuition: $42,785
Grade 1 to Grade 5 Tuition: $43,970
Middle School Tuition (Grades 6-8): $49,010
Upper School Tuition (Grades 9-12): $49,720
% on Financial Aid
14%
Average Financial Aid Grant
$34,300
Admissions Director
Mary Hastings Moore
Endowment Size
$8.4 million
Sports
Total Sports Offered
7 sports
Sports
Extracurriculars
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
many student-organized clubs
Arts and Music Programs:
chorus and instrumental music., In middle and upper schools, two musicals and two plays each year
Source: Verified school update
Frequently Asked Questions
How much does Washington International School cost?
Washington International School's tuition is approximately $49,720 for private students.
What schools are Washington International School often compared to?
Washington International Schoolis often viewed alongside schools like Georgetown Day School, Sidwell Friends School by visitors of our site.
What sports does Washington International School offer?
Washington International School offers 7 interscholastic sports: Basketball, Cross Country, Golf, Soccer, Tennis, Track and Field and Volleyball.
What is Washington International School's ranking?
Washington International School ranks among the top 20% of private schools in District Of Columbia for: Largest student body.
When is the application deadline for Washington International School?
The application deadline for Washington International School is Jan. 5.
In what neighborhood is Washington International School located?
Washington International School is located in the Northwest Washington neighborhood of Washington, DC. There are 60 other private schools located in Northwest Washington.
Related Schools
Show me:
People that viewed Washington International School also viewed these schools: Georgetown Day School, Sidwell Friends School, Maret School, Lowell School and British International School of Washington.
The nearest high school and elementary school to Washington International School is Maret School (0.3 miles away)
The nearest preschool is Beauvoir The National Cathedral Continuation School (0.4 miles away)
Show me:
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Location
Miles
Grades
Students
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Washington, DC 20016
(202) 274-3200
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Sidwell Friends School
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(202) 537-8100
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(202) 939-8814
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(202) 939-8814
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K-12
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Washington, DC 20012
(202) 577-2000
Washington, DC 20012
(202) 577-2000
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PK-8
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Grades: PK-12 | 590 students 1.2 miles 2001 Wisconsin Avenue NW
Washington, DC 20007
(703) 829-3700
Washington, DC 20007
(703) 829-3700
1.2
PK-12
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