For the 2026 school year, there are 6 private schools serving 949 students in 20877, MD (there are 10 public schools, serving 8,209 public students). 10% of all K-12 students in 20877, MD are educated in private schools (compared to the MD state average of 14%).
The top-ranked private schools in 20877, MD include St. Martin of Tours School, Covenant Life School, and Forbush School At Oakmont Upper School.
The average acceptance rate is 83%, which is higher than the Maryland private school average acceptance rate of 81%.
Top-Ranked 20877 Maryland Private Schools (2026)
School
Location
Quick Facts
7503 Muncaster Mill Rd
Gaithersburg, MD 20877
(301) 869-4500
Gaithersburg, MD 20877
(301) 869-4500
Gr: PK-12 | 493 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 11 Tuition & acceptance rate listed
Forbush School At Oakmont Upper School
Special Education School
610 E Diamond Ave Ste E
Gaithersburg, MD 20877
(301) 330-4359
Gaithersburg, MD 20877
(301) 330-4359
Gr: 9-12 | 32 students
115 S Frederick Ave
Gaithersburg, MD 20877
(301) 990-2441
Gaithersburg, MD 20877
(301) 990-2441
Gr: PK-8 | 192 students Avg. class size: 21 students Sports: 4 | Extracurrculars: 13 Tuition & acceptance rate listed
9008 Rosemont Dr
Gaithersburg, MD 20877
(301) 755-3239
Gaithersburg, MD 20877
(301) 755-3239
Gr: PK-K | 154 students
The Foundation School Of Montgomery County
Special Education School
220 Girard St
Gaithersburg, MD 20877
(301) 740-7807
Gaithersburg, MD 20877
(301) 740-7807
Gr: 1-12 | 62 students Avg. class size: 10 students
Marcia D Smith School
Alternative School
9075 Comprint Ct
Gaithersburg, MD 20877
(301) 926-2300
Gaithersburg, MD 20877
(301) 926-2300
Gr: 9-12 | 16 students
20877, Maryland Private Schools (Closed)
School
Location
Quick Facts
Gaithersburg Presbyterian Preschool & Kdgn (Closed 2025)
Daycare / Preschool (Christian)
610 S Frederick Avenue
Gaithersburg, MD 20877
(301) 977-5787
Gaithersburg, MD 20877
(301) 977-5787
Gr: PK-K | 46 students Avg. class size: 14 students Tuition & acceptance rate listed
Frequently Asked Questions
What are the top-ranked private schools in 20877, MD?
The top-ranked private schools in 20877, MD include St. Martin of Tours School, Covenant Life School, and Forbush School At Oakmont Upper School.
How many private schools are located in 20877?
6 private schools are located in 20877.
How diverse are private schools in 20877?
20877 private schools are approximately 33% minority students, which is lower than the Maryland private school average of 38%.
What percentage of students in 20877 go to private school?
10% of all K-12 students in 20877 are educated in private schools (compared to the MD state average of 14%).
Recent Articles
Private School Fees Increase Mid-Year: A Parent Action Plan
A 2026 parent action plan for managing mid-year private school tuition increases, including contracts, negotiation tips, and financial options.
Private School Scholarship Scams & Red Flags to Watch Out For (2026 Guide)
Learn how to spot private school scholarship scams in 2026, including red flags, real examples, and expert tips to protect families.
Diversity in Private Schools: Progress and Obstacles in 2026
Explore how private schools are advancing diversity in 2026, key gains made, ongoing challenges, and what families should know.
