Washington International School (Top Ranked 草榴社区 School for 2026-27)

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Quick Facts (2026-27)

Top Ranked DC School
School Type: Special Program Emphasis
Grades: Nursery/Preschool-12
Enrollment: 890 students
Yearly Tuition: $51,710
Acceptance rate: 15%
Average class size: 14 students
Application Deadline: Jan. 5
Source: 鉁�Verified school update

School Rankings

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

School Facts

School Type

School with Special Program Emphasis

Religious Affiliation

Nonsectarian

Grades Offered

Grades Nursery/Preschool-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	Washington International School
Nursery	24
Pre-K	34
Kind	47
1	60
2	67
3	56
4	68
5	70
6	66
7	66
8	63
9	68
10	63
11	72
12	66

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Dual Language Immersion Program

Yes

Secondary Immersion Language

Other

Year Founded

1966

Student Body

Total Students

890 students

Student Body Type

Co-ed

Academic Profile

Total Classroom Teachers

106 teachers

Student-Teacher Ratio

8:1

National avg.:

% Faculty w/Advanced Degree

72%

Average Class Size

14 students

Average SAT score

1380

(Out of 1600)

Average ACT score

(Out of 36)

Matriculation DataMatric. Data

Classroom Dress Code

Casual

List of Courses Offered

School Membership(s)School Assoc.

Educational Collaborative for International Schools (ECIS)
National Association of Independent Schools (NAIS)
Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS)
International Baccalaureate World School (IB)

Tuition & Financial Aid

Admission Deadline

Jan. 5

Yearly Tuition Cost

$51,710

View national tuition avg.

Tuition Notes

Preschool Tuition: $32,190 Pre-Kindergarten Tuition: $40,980 Kindergarten Tuition: $44,495 Grade 1 to Grade 5 Tuition: $45,730 Middle School Tuition (Grades 6-8): $50,970 Upper School Tuition (Grades 9-12): $51,710

% on Financial Aid

16%

Average Financial Aid Grant

$34,739

Acceptance Rate

15%

National avg.: 82%

Admissions Director

Mary Hastings Moore

Application URL

Endowment Size

$10.4 million

Sports

Total Sports Offered

7 sports

Sports

BasketballCross Country

GolfSoccer

TennisTrack and Field

Volleyball

School Mascot

Red Devils

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

School Notes

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.

Source: Verified school update

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Frequently Asked Questions

How much does Washington International School cost?

Washington International School's tuition is approximately $51,710 for private students.

What schools are Washington International School often compared to?

Washington International School is often viewed alongside schools like Georgetown Day School by visitors of our site.

What is the acceptance rate of Washington International School?

The acceptance rate of Washington International School is 15%, which is lower than the national average of 50%. Washington International School's acceptance rate is ranked among the top private schools in District Of Columbia with low acceptance rates.

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: Lowest average acceptance rates and 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 55 other private schools located in Northwest Washington.

School Calendar

View the Washington International School below. Note key dates such as:

Event

Date

Spring Break

March 27, 2027 (Saturday)

Last Day of Classes (HALF DAY)

June 16, 2027 (Wednesday)

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Did You Know?

The average private school tuition in Washington, DC is $29,456 for elementary schools and $36,096 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Washington, DC is 50% (read more about average acceptance rates across the country).