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.

Quick Stats (2022-23)

  • Top Ranked DC School
  • Grades: Nursery/Preschool-12
  • Enrollment: 896 students
  • Yearly Tuition: $44,460
  • 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

School Overview

Student Body

Total Students
896 students
Student Body Type
Co-ed
Students by Grade
Washington International School Student By Grade

Academics and Faculty

Total Classroom Teachers
104 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
% Faculty w/Advanced Degree
72%
List of Courses Offered
Average SAT score
1380
Average ACT score
30
Matriculation DataMatric. Data
Classroom Dress Code
Casual

Tuition and Acceptance Rate

Admission Deadline
Jan. 5
Yearly Tuition Cost
Tuition Notes
Preschool Tuition: $27,675 Pre-Kindergarten Tuition: $35,240 Kindergarten Tuition: $38,260 Grade 1 to Grade 5 Tuition: $39,320 Middle School Tuition (Grades 6-8): $43,825 Upper School Tuition (Grades 9-12): $44,460
% on Financial Aid
16%
Average Financial Aid Grant
$30,239
Admissions Director
Mary Hastings Moore
Endowment Size
$8.4 million

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
Source: Verified school update

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Quick Stats (2022-23)

  • Top Ranked DC School
  • Grades: Nursery/Preschool-12
  • Enrollment: 896 students
  • Yearly Tuition: $44,460
  • Application Deadline: Jan. 5
  • Source: Verified school update

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Did You Know?

The average private school tuition in Washington, DC is $26,392 for elementary schools and $30,592 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).

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