The average private school in District Of Columbia has 205 students (2025).
The largest private school in District Of Columbia is St. Johns College High School with 1,279 students.
School Size Range: 168
1,279
Avg. School Size: 433
Largest District Of Columbia Private 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: 518
Grades: PK-8
North Campus: 6045 16th St., NW; South Campus 4715 16th St., NW
Washington, DC 20011
(202) 291-5737
Washington, DC 20011
(202) 291-5737
Rank: #1111.
Students: 510
Grades: 9-12
1524 35th St NW
Washington, DC 20007
(202) 337-3350
Washington, DC 20007
(202) 337-3350
Rank: #1212.
Blessed Sacrament School (DC)![Blessed Sacrament School (DC) Photo]( "Blessed Sacrament School (DC) Photo")
(Catholic)
Students: 489
Grades: K-8
5841 Chevy Chase Pkwy NW
Washington, DC 20015
(202) 966-6682
Washington, DC 20015
(202) 966-6682
Rank: #1313.
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: #1414.
Students: 374
Grades: PK-3
3500 Woodley Road NW
Washington, DC 20016
(202) 537-6485
Washington, DC 20016
(202) 537-6485
Rank: #1515.
Students: 364
Grades: 6-12
2301 Foxhall Road NW
Washington, DC 20007
(202) 295-5839
Washington, DC 20007
(202) 295-5839
Rank: #1616.
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: #1717.
Students: 326
Grades: PK-8
1325 36th St NW
Washington, DC 20007
(202) 337-2339
Washington, DC 20007
(202) 337-2339
Rank: #1818.
Students: 313
Grades: PK-8
1640 Kalmia Road NW
Washington, DC 20012
(202) 577-2000
Washington, DC 20012
(202) 577-2000
Rank: #1919.
National Presbyterian School![National Presbyterian School Photo - National Presbyterian School is located in Northwest, DC, near the Tenleytown Metro stop and shares a 12 acre campus with National Presbyterian Church.]( "National Presbyterian School Photo - National Presbyterian School is located in Northwest, DC, near the Tenleytown Metro stop and shares a 12 acre campus with National Presbyterian Church.")
(Presbyterian)
Students: 306
Grades: NS-6
4121 Nebraska Ave Nw
Washington, DC 20016
(202) 537-7569
Washington, DC 20016
(202) 537-7569
Rank: #2020.
Students: 302
Grades: 6-12
4101 Connecticut Avenue NW
Washington, DC 20008
(202) 362-8882
Washington, DC 20008
(202) 362-8882
Rank: #2121.
St. Anthony Catholic School
(Catholic)
Students: 250
Grades: PK-8
3400 12th St., NE
Washington, DC 20017
(202) 526-4657
Washington, DC 20017
(202) 526-4657
Rank: #2222.
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
Students: 241
Grades: PK-8
1217 West Virginia Avenue Ne
Washington, DC 20002
(202) 397-1614
Washington, DC 20002
(202) 397-1614
Rank: #2424.
Students: 233
Grades: PK-8
422 3rd Street SE
Washington, DC 20003
(202) 544-1618
Washington, DC 20003
(202) 544-1618
Rank: #2525.
Students: 232
Grades: K-8
4400 36th Street NW
Washington, DC 20008
(202) 362-7900
Washington, DC 20008
(202) 362-7900
Rank: #2626.
Students: 227
Grades: PK-8
210 South Carolina Avenue SE
Washington, DC 20003
(202) 355-4498
Washington, DC 20003
(202) 355-4498
Rank: #2727.
The River School![The River School Photo - The River School offers an inviting, inclusive space for learning where children (18 months - Grade 5) are inspired to observe, wonder and experiment in a nurturing environment. We provide a strong academic foundation through creative, evidence-based teaching. Children are inspired to love learning, become critical thinkers, solve problems, and engage in meaningful inquiry. We are a caring, connected community.]( "The River School Photo - The River School offers an inviting, inclusive space for learning where children (18 months - Grade 5) are inspired to observe, wonder and experiment in a nurturing environment. We provide a strong academic foundation through creative, evidence-based teaching. Children are inspired to love learning, become critical thinkers, solve problems, and engage in meaningful inquiry. We are a caring, connected community.")
Alternative School
Students: 223
Grades: NS-5
4880 Macarthur Blvd NW
Washington, DC 20007
(202) 337-3554
Washington, DC 20007
(202) 337-3554
Rank: #2828.
Students: 213
Grades: PK-8
4755 Whitehaven Pkwy Nw
Washington, DC 20007
(202) 337-1421
Washington, DC 20007
(202) 337-1421
Rank: #2929.
Sacred Heart School
(Catholic)
Students: 211
Grades: PK-8
1625 Park Rd Nw
Washington, DC 20010
(202) 265-4828
Washington, DC 20010
(202) 265-4828
Rank: #3030.
Rock Creek International School
Daycare / Preschool
Students: 209
Grades: NS-8
1550 Foxhall Rd Nw
Washington, DC 20007
(202) 965-8700
Washington, DC 20007
(202) 965-8700
Rank: #3131.
St. Francis Xavier Catholic Academyool![St. Francis Xavier Catholic Academyool Photo - Our literacy program that starts with 3- and 4-year old children]( "St. Francis Xavier Catholic Academyool Photo - Our literacy program that starts with 3- and 4-year old children")
(Catholic)
Students: 196
Grades: PK-8
2700 O Street S.E.
Washington, DC 20020
(202) 581-2010
Washington, DC 20020
(202) 581-2010
Rank: #3232.
St. Thomas More Catholic![St. Thomas More Catholic Photo - Welcome to the home of the Raiders]( "St. Thomas More Catholic Photo - Welcome to the home of the Raiders")
(Catholic)
Students: 185
Grades: PK-8
4265 4th St Se
Washington, DC 20032
(202) 561-1189
Washington, DC 20032
(202) 561-1189
Rank: #3333.
Students: 172
Grades: K-8
320 21st Street Ne
Washington, DC 20002
(202) 397-3897
Washington, DC 20002
(202) 397-3897
Rank: #3434.
St. Augustine Catholic School![St. Augustine Catholic School Photo - Elementary student]( "St. Augustine Catholic School Photo - Elementary student")
(Catholic)
Students: 169
Grades: PK-8
1421 V Street N.W.
Washington, DC 20009
(202) 667-2608
Washington, DC 20009
(202) 667-2608
Rank: #3535.
Immaculate Conception School
(Catholic)
Students: 168
Grades: PK-7
711 N Street Nw
Washington, DC 20001
(202) 234-1093
Washington, DC 20001
(202) 234-1093
Show 59 more private schools in DC (out of 94 total schools)
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Frequently Asked Questions
What is the District Of Columbia average private schools student size?
The District Of Columbia average private schools student size is 205 for 2025.
What are the private schools with the largest student size in District Of Columbia?
The top ranked private schools in District Of Columbia include St. Johns College High School, Sidwell Friends School and Georgetown Day School.
What is private high school and private elementary school with the largest student size in District Of Columbia?
The private high school with the largest student size in District Of Columbia is St. Johns College High School, with a value of 1279. The private elementary school with the largest student size is Sidwell Friends School, with a value of 1142.
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