Washington International School
3100 Macomb St. Nw, Washington, DC 20008Open, per Google (checked Sep 29, 2026)
Washington International School is a private school in Washington, DC teaching grades PreK-12. It reported 846 students and about 7.3 students for every teacher in the 2023-24 federal survey.
School facts
- Grades
- PreK-12
- Students
- 846
- Teachers
- 116
- Students per teacher
- 7.3
- Student body
- Coeducational
- Program
- Special program emphasis
- Affiliation
- Nonsectarian
- Go on to a 4-year college
- 97%
- Setting
- City
These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.
Washington International School tuition, and what OSP pays
Published tuition (2026-27): grades K to 5: $47,430 · grades 6 to 8: $55,780 · grades 9 to 12: $56,820. Rates vary by grade within these bands; the details are below.
Washington International School was not on the OSP list we read; lists change, so ask the school whether it takes OSP.
Tuition from Washington International School's website, checked October 5, 2026. Some grades or programs may cost more or less. Confirm with the school.
Figures read from each program’s official pages, October 2, 2026. Sources and how to apply
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OSP pays between $10,000 and $15,000 depending on grade. We start with the lower figure. Change it if you know yours. An award can never be more than the school actually charges. This is arithmetic, not a quote.
Other private schools nearby
| School | Grades | Students | Miles |
|---|---|---|---|
| Beauvoir the National Cathedral Elementary School | PreK-3 | 313 | <1 |
| Aidan Montessori School ✓ | PreK-6 | 75 | <1 |
| National Cathedral School | 4-12 | 597 | <1 |
| Edmund Burke School ✓ | 6-12 | 315 | <1 |
| Sidwell Friends School ✓ | PreK-12 | 1,129 | <1 |
| Annunciation Catholic School ✓ | PreK-8 | 130 | <1 |
| Franklin Montessori School | PreK-K | 3 | 1 |
| Sheridan School ✓ | K-8 | 221 | 1 |
On the state’s official list Other private schools
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- D.C. Opportunity Scholarship Program: amount and eligibility
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