Gaithersburg High
🇺🇸 Official data · 2025Gaithersburg, Maryland 20877 · Montgomery County Public Schools
#111 of 197 high schools in Maryland
#8595 of 16,910 nationally
About Gaithersburg High
Gaithersburg High is a public high located in Gaithersburg, in the Montgomery County Public Schools school district of Maryland, United States. It caters for Grades 9–12. In 2025 it enrolled 2,441 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 49.2 out of 100, placing it in the lower 50% of high schools in United States and 111th of 197 ranked high schools in Maryland. Its strongest component is students per teacher (59th percentile), and its weakest is math proficiency (40th percentile).
Other published figures: enrollment 2,441.
There are 29 schools in Gaithersburg; Gaithersburg High ranks 15th of 29 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)33%
- Reading proficiency (30%)58%
- Community advantage (fewer free/reduced-price lunch) (25%)55.7%
- Students per teacher (15%)13.9
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 Gaithersburg High by the official sources.
- Enrollment
- 2,441
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 55.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 58%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 33%
- Share of tested students proficient or above (all students, all grades).
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Schools near Gaithersburg High
Closest schools by straight-line distance, with their Success Index (US).
Gaithersburg Elementary
Gaithersburg · Public elementary · Grades PK–5
603 students · 891 m away
Summit Hall Elementary
Gaithersburg · Public elementary · Grades PK–5
413 students · 992 m away
Gaithersburg Middle
Gaithersburg · Public middle · Grades 6–8
869 students · 1.1 km away
Rosemont Elementary
Gaithersburg · Public elementary · Grades PK–5
564 students · 1.5 km away
Washington Grove Elementary
Gaithersburg · Public elementary · Grades PK–5
480 students · 1.5 km away
Harriet R. Tubman Elementary
Gaithersburg · Public elementary · Grades PK–5
571 students · 1.7 km away
Forest Oak Middle
Gaithersburg · Public middle · Grades 6–8
828 students · 2.2 km away
South Lake Elementary
Gaithersburg · Public elementary · Grades PK–5
746 students · 2.2 km away
Fields Road Elementary
Gaithersburg · Public elementary · Grades PK–5
453 students · 2.6 km away
Shady Grove Middle
Gaithersburg · Public middle · Grades 6–8
514 students · 2.9 km away
Similar schools
Public high schools in Maryland with a comparable Enrollment.
Seneca Valley High
Germantown · Public high · Grades 9–12
2,409 students
Northwestern High
Hyattsville · Public high · Grades 9–12
2,396 students
Bethesda-Chevy Chase High
Bethesda · Public high · Grades 9–12
2,377 students
Richard Montgomery High
Rockville · Public high · Grades 9–12
2,366 students
Duval High
Lanham · Public high · Grades 9–12
2,522 students
Eleanor Roosevelt High
Greenbelt · Public high · Grades 9–12
2,544 students
Frequently asked questions
Is Gaithersburg High a good school?
Gaithersburg High has a Success Index (US) of 49.2 out of 100 (Lower 50% of high schools in United States) and ranks #111 of 197 in Maryland. 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 Gaithersburg High rank in Maryland?
Gaithersburg High ranks #111 of 197 high schools in Maryland and #8595 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Gaithersburg High?
Gaithersburg High had 2,441 students in 2025.
Is Gaithersburg High a elementary school or a high school?
Gaithersburg High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Gaithersburg High?
There are 10 schools within 15 km of Gaithersburg High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.