For the 2026 school year, there are 6 public preschools serving 3,419 students in 20878, MD.
The top-ranked public preschools in 20878, MD are Stone Mill Elementary School, Diamond Elementary School and Rachel Carson Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public preschools in zipcode 20878 have an average math proficiency score of 54% (versus the Maryland public pre school average of 28%), and reading proficiency score of 61% (versus the 39% statewide average). Pre schools in 20878, MD have an average ranking of 9/10, which is in the top 20% of Maryland public pre schools.
Minority enrollment is 74% of the student body (majority Hispanic and Asian), which is more than the Maryland public preschool average of 71% (majority Black).
Best 20878, MD Public Preschools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Stone Mill Elementary School
(Math: 72% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
14323 Stonebridge View Dr
Gaithersburg, MD 20878
(240) 740-5450
Gaithersburg, MD 20878
(240) 740-5450
Gr: PK-5 | 516 students Student-teacher ratio: 15:1 Minority enrollment: 77%
Rank: #22.
Diamond Elementary School
(Math: 64% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
4 Marquis Dr
Gaithersburg, MD 20878
(240) 740-2120
Gaithersburg, MD 20878
(240) 740-2120
Gr: PK-5 | 654 students Student-teacher ratio: 15:1 Minority enrollment: 75%
Rank: #33.
Rachel Carson Elementary School
(Math: 71% | Reading: 74%)
Rank:
Rank:
10/
Top 5%10
100 Tschiffely Square Rd
Gaithersburg, MD 20878
(240) 740-1840
Gaithersburg, MD 20878
(240) 740-1840
Gr: PK-5 | 671 students Student-teacher ratio: 17:1 Minority enrollment: 55%
Rank: #44.
Thurgood Marshall Elementary School
(Math: 44% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
12260 Mcdonald Chapel Dr
Gaithersburg, MD 20878
(240) 740-5990
Gaithersburg, MD 20878
(240) 740-5990
Gr: PK-5 | 553 students Student-teacher ratio: 13:1 Minority enrollment: 69%
Rank: #55.
Fields Road Elementary School
(Math: 32% | Reading: 41%)
Rank:
Rank:
6/
Top 50%10
1 School Dr
Gaithersburg, MD 20878
(240) 740-7000
Gaithersburg, MD 20878
(240) 740-7000
Gr: PK-5 | 453 students Student-teacher ratio: 12:1 Minority enrollment: 77%
Rank: #66.
Brown Station Elementary School
(Math: 23% | Reading: 23%)
Rank:
Rank:
4/
Bottom 50%10
851 Quince Orchard Blvd
Gaithersburg, MD 20878
(240) 740-0260
Gaithersburg, MD 20878
(240) 740-0260
Gr: PK-5 | 572 students Student-teacher ratio: 10:1 Minority enrollment: 93%
Frequently Asked Questions
What are the top-ranked public preschools in 20878, MD?
The top-ranked public preschools in 20878, MD include Stone Mill Elementary School, Diamond Elementary School and Rachel Carson Elementary School.
How many public preschools are located in 20878?
6 public preschools are located in 20878.
What is the racial composition of students in 20878?
20878 public preschools minority enrollment is 74% of the student body (majority Hispanic and Asian), which is more than the Maryland public preschools average of 71% (majority Black).
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