Key ES
🇺🇸 Official data · 2025Washington, District of Columbia 20016 · District of Columbia Public Schools
#5 of 142 elementary schools in District of Columbia
#1123 of 50,301 nationally
About Key ES
Key ES is a public elementary located in Washington, in the District of Columbia Public Schools school district of District of Columbia, United States. It caters for Grades PK–5. In 2025 it enrolled 337 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 88.6 out of 100, placing it in the top 5% of elementary schools in United States and 5th of 142 ranked elementary schools in District of Columbia. Its strongest component is math proficiency (94th percentile), and its weakest is students per teacher (71th percentile).
Other published figures: enrollment 337.
There are 235 schools in Washington; Key ES ranks 7th of 223 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)82%
- Reading proficiency (30%)77%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)13.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Key ES by the official sources.
- Enrollment
- 337
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 13.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 77%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 82%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Key ES
Closest schools by straight-line distance, with their Success Index (US).
Mann ES
Washington · Public elementary · Grades PK–5
397 students · 1.4 km away
Stoddert ES
Washington · Public elementary · Grades PK–5
425 students · 1.9 km away
AppleTree Early Learning Center PCS - Spring Valley
Washington · Charter other · Grades PK–PK
113 students · 2.1 km away
MacArthur HS
Washington · Public other · Grades 9–11
390 students · 2.5 km away
Taylor Elementary
Arlington · Public elementary · Grades PK–5
530 students · 2.5 km away
Janney ES
Washington · Public elementary · Grades PK–5
717 students · 2.9 km away
Hearst ES
Washington · Public elementary · Grades PK–5
356 students · 2.9 km away
Duke Ellington School of the Arts
Washington · Public high · Grades 9–12
589 students · 3.0 km away
Hardy MS
Washington · Public middle · Grades 6–8
631 students · 3.0 km away
Eaton ES
Washington · Public elementary · Grades PK–5
436 students · 3.1 km away
Similar schools
Public elementary schools in District of Columbia with a comparable Enrollment.
Burroughs ES
Washington · Public elementary · Grades PK–5
331 students
Kimball ES
Washington · Public elementary · Grades PK–5
330 students
Langley ES
Washington · Public elementary · Grades PK–5
348 students
School-Within-School at Goding
Washington · Public elementary · Grades PK–5
325 students
Hearst ES
Washington · Public elementary · Grades PK–5
356 students
Houston ES
Washington · Public elementary · Grades PK–5
314 students
Frequently asked questions
Is Key ES a good school?
Key ES has a Success Index (US) of 88.6 out of 100 (Top 5% of elementary schools in United States) and ranks #5 of 142 in District of Columbia. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Key ES rank in District of Columbia?
Key ES ranks #5 of 142 elementary schools in District of Columbia and #1123 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Key ES?
Key ES had 337 students in 2025.
Is Key ES a elementary school or a high school?
Key ES is classified as a elementary covering Grades PK–5. It is a public school.
What other schools are near Key ES?
There are 10 schools within 15 km of Key ES; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.