Summary:
Zip code 20012 in Washington, DC is home to just one high school, District of Columbia International School, which serves grades 6 through 12 with an enrollment of 1,654 students. This school operates as its own single-school district, District of Columbia International School, and it stands out as a high performer, earning a 5-star district rating (ranked 4th out of 46 DC districts) and a 4-star school rating (ranked 7th out of 36 DC high schools).
The school's greatest strengths are its graduation rate and English Language Arts proficiency. Its 94.8% graduation rate far exceeds the DC state average of 78.7%, giving families a strong signal of student success. In ELA, the school outperforms state averages at every tested grade level, with the largest gap in 8th grade, where 64.5% of students are proficient versus 45.4% statewide. The school also beats state averages in math at the middle school level, though proficiency drops considerably in advanced high school courses: only 16.8% of students are proficient in Algebra I and 22.7% in Geometry. The school has been steadily improving, climbing from 9th place in 2023-2024 to 7th place in 2025-2026 among DC high schools.
Families should note that science proficiency is a relative weak point at 13.19%, essentially matching the state average and contrasting sharply with the school's strong ELA results. The school offers a favorable student-teacher ratio of 10.3 and spends $22,716 per student, suggesting strong resource allocation. Overall, District of Columbia International School is an improving, high-performing option in the area, with excellent graduation outcomes and literacy skills, though parents of students heading into advanced math or science courses may want to explore additional support.
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