The average private high school in District Of Columbia has 365 students (2025).
The largest private high school in District Of Columbia is St. Johns College High School with 1,279 students.
School Size Range: 21
1,279
Avg. School Size: 365
Largest District Of Columbia Private High Schools (2025)
School
# Students
Grades
Location
Rank: #11.
St. Johns College High School
(Catholic)
Students: 1,279
Grades: 9-12
2607 Military Road NW, Chevy Chase
Washington, DC 20015
(202) 363-2316
Washington, DC 20015
(202) 363-2316
Rank: #22.
Sidwell Friends School
(Friends)
Students: 1,142
Grades: PK-12
3825 Wisconsin Ave NW
Washington, DC 20016
(202) 537-8100
Washington, DC 20016
(202) 537-8100
Rank: #33.
Students: 1,050
Grades: PK-12
4200 Davenport Street, NW
Washington, DC 20016
(202) 274-3200
Washington, DC 20016
(202) 274-3200
Rank: #44.
Students: 962
Grades: 9-12
19 I Street NW
Washington, DC 20001
(202) 336-7100
Washington, DC 20001
(202) 336-7100
Rank: #55.
Washington International School![Washington International School Photo - The Primary School outdoor play area includes a field used for a variety of activities. Washington International School Photo - The Primary School outdoor play area includes a field used for a variety of activities.]()

Special Program Emphasis
Students: 890
Grades: NS-12
3100 Macomb Street NW
Washington, DC 20008
(202) 243-1800
Washington, DC 20008
(202) 243-1800
Rank: #66.
Students: 659
Grades: K-12
3000 Cathedral Avenue NW
Washington, DC 20008
(202) 939-8814
Washington, DC 20008
(202) 939-8814
Students: 616
Grades: PK-12
2001 Wisconsin Avenue NW
Washington, DC 20007
(202) 280-6780
Washington, DC 20007
(202) 280-6780
Rank: #88.
National Cathedral School
All-girls (Episcopal)
Students: 595
Grades: 4-12
3612 Woodley Road NW
Washington, DC 20016
(202) 537-6300
Washington, DC 20016
(202) 537-6300
Rank: #99.
St. Albans School![St. Albans School Photo St. Albans School Photo]()

All-boys (Episcopal)
Students: 576
Grades: 4-12
Mount St Alban
Washington, DC 20016
(202) 537-6440
Washington, DC 20016
(202) 537-6440
Rank: #1010.
Students: 510
Grades: 9-12
1524 35th St NW
Washington, DC 20007
(202) 337-3350
Washington, DC 20007
(202) 337-3350
Rank: #1111.
Archbishop Carroll High School![Archbishop Carroll High School Photo - ACHS Gospel Choir Archbishop Carroll High School Photo - ACHS Gospel Choir]()

Special Program Emphasis (Catholic)
Students: 383
Grades: 9-12
4300 Harewood Rd Ne
Washington, DC 20017
(202) 529-0900
Washington, DC 20017
(202) 529-0900
Rank: #1212.
Students: 364
Grades: 6-12
2301 Foxhall Road NW
Washington, DC 20007
(202) 295-5839
Washington, DC 20007
(202) 295-5839
Rank: #1313.
The Lab School Of Washington
Special Education School
Students: 329
Grades: 1-12
4759 Reservoir Rd Nw
Washington, DC 20007
(202) 944-2224
Washington, DC 20007
(202) 944-2224
Rank: #1414.
Students: 302
Grades: 6-12
4101 Connecticut Avenue NW
Washington, DC 20008
(202) 362-8882
Washington, DC 20008
(202) 362-8882
Rank: #1515.
St. Anselm's Abbey School![St. Anselm's Abbey School Photo - Our rigorous curriculum is second to none. You will take 7APs to graduate from our school. Students receive over $5 million dollars in merit scholarships to college each year. St. Anselm's Abbey School Photo - Our rigorous curriculum is second to none. You will take 7APs to graduate from our school. Students receive over $5 million dollars in merit scholarships to college each year.]()

All-boys | Alternative School (Catholic)
Students: 247
Grades: 6-12
4501 South Dakota Ave Ne
Washington, DC 20017
(202) 269-2350
Washington, DC 20017
(202) 269-2350
Rank: #1616.
Cornerstone Schools Of Washington, DC
(Christian)
Students: 162
Grades: K-12
3742 Ely Place, SE
Washington, DC 20019
(202) 575-0027
Washington, DC 20019
(202) 575-0027
Rank: #1717.
Cornerstone Schools-washington![Cornerstone Schools-washington Photo - Second grade teacher Ms. Wright and her students enjoy some read-aloud time. Cornerstone Schools-washington Photo - Second grade teacher Ms. Wright and her students enjoy some read-aloud time.]()

(Christian)
Students: 134
Grades: K-12
3742 Ely Pl SE
Washington, DC 20019
(202) 575-0027
Washington, DC 20019
(202) 575-0027
Rank: #1818.
The School For Ethics And Global Leadership
Special Program Emphasis
Students: 107
Grades: 11-12
1528 18th St NW
Washington, DC 20036
(202) 684-7044
Washington, DC 20036
(202) 684-7044
Rank: #1919.
Model Secondary School For The Deaf
Special Education School
Students: 101
Grades: 9-12
800 Florida Ave Ne
Washington, DC 20002
(202) 651-5000
Washington, DC 20002
(202) 651-5000
Rank: #2020.
Students: 81
Grades: 6-12
406 7th Street NW
Washington, DC 20003
(202) 847-0779
Washington, DC 20003
(202) 847-0779
Rank: #2121.
Students: 64
Grades: 9-12
1800 Perry St. NE
Washington, DC 20018
(301) 887-3008
Washington, DC 20018
(301) 887-3008
Rank: #2222.
Ujamaa School
(2)
Students: 63
Grades: K-9
1554 8th St Nw
Washington, DC 20001
(202) 232-2997
Washington, DC 20001
(202) 232-2997
Students: 62
Grades: NS-12
3328 Martin Luther King Jr Ave Se
Washington, DC 20032
(202) 563-5971
Washington, DC 20032
(202) 563-5971
Rank: #2424.
Muhammad University Of Islam
(Islamic)
Students: 54
Grades: PK-11
3160 Penn. Ave Se
Washington, DC 20020
(202) 506-6940
Washington, DC 20020
(202) 506-6940
Rank: #2525.
Academia De La Recta Porta Icds
(Christian)
Students: 47
Grades: PK-12
7614 Georgia Ave Nw
Washington, DC 20012
(202) 726-8737
Washington, DC 20012
(202) 726-8737
Rank: #2626.
Kennedy Institute
Special Education School (Catholic)
Students: 45
Grades: 9-12
801 Buchanan St Ne
Washington, DC 20017
(202) 281-2700
Washington, DC 20017
(202) 281-2700
Rank: #27 - 2827. - 28.
The Monroe School
Special Education School
Students: 37
Grades: 6-12
601 50th St Ne
Washington, DC 20019
(202) 399-8350
Washington, DC 20019
(202) 399-8350
Rank: #27 - 2827. - 28.
Students: 37
Grades: 6-12
4842 16th St Nw
Washington, DC 20011
(202) 726-0740
Washington, DC 20011
(202) 726-0740
Rank: #2929.
New Beginnings Vocational Program Llc
Special Education School
Students: 30
Grades: 9-12
2060 W Virginia Ave Ne
Washington, DC 20002
(202) 636-1190
Washington, DC 20002
(202) 636-1190
Rank: #3030.
Living Word Christian School
(Christian)
Students: 21
Grades: K-12
1825 Michigan Ave Ne
Washington, DC 20018
(202) 674-0028
Washington, DC 20018
(202) 674-0028
Frequently Asked Questions
What is the District Of Columbia average private high schools student size?
The District Of Columbia average private high schools student size is 365 for 2025.
What are the private high schools with the largest student size in District Of Columbia?
The top ranked private high schools in District Of Columbia include St. Johns College High School, Sidwell Friends School and Georgetown Day School.
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