Washington International School
Independent school · Grades Pre-K–12
Washington, DC
3100 Macomb St NW, Washington, DC 20008
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- ACollege-going
- B+Years serving families
- A+Diversity
What stands out
- The largest of 11 independent schools in the District of Columbia
- The largest independent school in Washington
- One of the most diverse private schools in the District of Columbia
- 97% of graduates go to four-year colleges
- Small classes: about 7 students per teacher
Washington International School is an independent private school in Washington, District of Columbia, for students from pre-K through 12th grade. It has about 846 students and around 7 students per teacher. Its enrollment has held steady since 2013–14. The school reports that about 97% of its graduates go on to four-year colleges. Students attend about 7.5 hours a day, 186 days a year.
At a glance
- Grades
- Grades Pre-K–12
- Students
- 846
- Teachers
- 115.3 (full-time equivalent)
- Students per teacher
- 7.3
- Boys and girls
- Coed · 441 girls, 405 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Special program emphasis
- School day
- About 7.5 hours
- School year
- 186 days
- Graduates going to 4-year colleges
- About 97% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 52% of independent schools nationwide (7 students per teacher).
- Larger than 91% of independent schools nationwide.
- Compared with 1,294 independent schools nationwide.
Students by survey year
Total students reported in official records since 2013–14.
Students by grade
Student body
Member of
- National Association of Independent Schools
- A state or regional independent school association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Washington International School
What grades does Washington International School serve?
Washington International School serves grades Pre-K–12.
How many students attend Washington International School?
About 846 students, with 7 students per teacher, according to official records.
How much is tuition at Washington International School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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