Largest Schools in Gaithersburg (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 29 schools in Gaithersburg, Maryland. Rank positions shown on each profile are within United States and Maryland.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Gaithersburg High Gaithersburg · High · Grades 9–12	Public	2,441	49.2 Lower 50%	33% Math proficiency	2,441
2	Quince Orchard High Gaithersburg · High · Grades 9–12	Public	2,100	63.3 Top 50%	55% Math proficiency	2,100
3	Watkins Mill High Gaithersburg · High · Grades 9–12	Public	1,577	33.3 Lower 50%	22% Math proficiency	1,577
4	Lakelands Park Middle Gaithersburg · Middle · Grades 6–8	Public	993	67.3 Top 50%	49% Math proficiency	993
5	Gaithersburg Middle Gaithersburg · Middle · Grades 6–8	Public	869	35.7 Lower 50%	26% Math proficiency	869
6	Forest Oak Middle Gaithersburg · Middle · Grades 6–8	Public	828	29.5 Lower 50%	18% Math proficiency	828
7	South Lake Elementary Gaithersburg · Elementary · Grades PK–5	Public	746	32.9 Lower 50%	30% Math proficiency	746
8	Ridgeview Middle Gaithersburg · Middle · Grades 6–8	Public	722	57.7 Top 50%	40% Math proficiency	722
9	Whetstone Elementary Gaithersburg · Elementary · Grades PK–5	Public	711	36.9 Lower 50%	31% Math proficiency	711
10	Rachel Carson Elementary Gaithersburg · Elementary · Grades PK–5	Public	671	72.6 Top 25%	65% Math proficiency	671
11	Diamond Elementary Gaithersburg · Elementary · Grades PK–5	Public	654	84.3 Top 10%	75% Math proficiency	654
12	Gaithersburg Elementary Gaithersburg · Elementary · Grades PK–5	Public	603	32.0 Lower 50%	24% Math proficiency	603
13	Brown Station Elementary Gaithersburg · Elementary · Grades PK–5	Public	572	36.2 Lower 50%	30% Math proficiency	572
14	Harriet R. Tubman Elementary Gaithersburg · Elementary · Grades PK–5	Public	571	62.1 Top 50%	61.6% Free/reduced-price lunch	571
15	Rosemont Elementary Gaithersburg · Elementary · Grades PK–5	Public	564	45.1 Lower 50%	34% Math proficiency	564
16	Thurgood Marshall Elementary Gaithersburg · Elementary · Grades PK–5	Public	553	64.5 Top 50%	54% Math proficiency	553
17	Judith A. Resnik Elementary Gaithersburg · Elementary · Grades PK–5	Public	516	42.7 Lower 50%	41% Math proficiency	516
18	Shady Grove Middle Gaithersburg · Middle · Grades 6–8	Public	514	41.3 Lower 50%	28% Math proficiency	514
19	Goshen Elementary Gaithersburg · Elementary · Grades PK–5	Public	494	43.4 Lower 50%	39% Math proficiency	494
20	Washington Grove Elementary Gaithersburg · Elementary · Grades PK–5	Public	480	41.6 Lower 50%	32% Math proficiency	480
21	Flower Hill Elementary Gaithersburg · Elementary · Grades PK–5	Public	454	37.5 Lower 50%	24% Math proficiency	454
22	Fields Road Elementary Gaithersburg · Elementary · Grades PK–5	Public	453	58.8 Top 50%	48% Math proficiency	453
23	Strawberry Knoll Elementary Gaithersburg · Elementary · Grades PK–5	Public	448	49.7 Lower 50%	41% Math proficiency	448
24	Jones Lane Elementary Gaithersburg · Elementary · Grades K–5	Public	428	80.6 Top 10%	67% Math proficiency	428
25	Summit Hall Elementary Gaithersburg · Elementary · Grades PK–5	Public	413	32.5 Lower 50%	27% Math proficiency	413
26	Darnestown Elementary Gaithersburg · Elementary · Grades K–5	Public	356	75.3 Top 25%	57% Math proficiency	356
27	Laytonsville Elementary Gaithersburg · Elementary · Grades K–5	Public	355	63.5 Top 50%	50% Math proficiency	355
28	Woodfield Elementary Gaithersburg · Elementary · Grades PK–5	Public	314	80.7 Top 10%	57% Math proficiency	314
29	DuFief Elementary Gaithersburg · Elementary · Grades K–5	Public	276	76.6 Top 25%	62% Math proficiency	276

Gaithersburg High in Gaithersburg leads the 2025 list of largest schools in Gaithersburg with Enrollment 2,441. Of the 29 schools shown, 29 are public.

For the full picture see the wider Maryland largest schools rankings, every school on the Gaithersburg page, or the comparison tool to put a shortlist side by side.

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

Frequently asked questions

What is the best largest school in Gaithersburg?

Gaithersburg High in Gaithersburg, Maryland ranks first among largest schools in Gaithersburg with Enrollment 2,441 (Enrollment: 2,441).

How are largest schools in Gaithersburg ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.