For the 2026 school year, there are 10 private high schools belonging to National Association of Independent Schools (NAIS) serving 5,368 students in District Of Columbia. You can also find more schools membership associations in District Of Columbia.
The top-ranked private high schools belonging to National Association of Independent Schools (NAIS) in District Of Columbia include St. Anselm's Abbey School, Georgetown Visitation Preparatory School, and Maret School.
The average tuition cost is $45,831, which is higher than the District Of Columbia private high school average tuition cost of $36,383.
Top-Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in District Of Columbia (2026)
School
Location
Quick Facts
2301 Foxhall Road NW
Washington, DC 20007
(202) 295-5800
Washington, DC 20007
(202) 295-5800
Gr: 6-12 | 364 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 28 Tuition & acceptance rate listed
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)
4501 South Dakota Ave Ne
Washington, DC 20017
(202) 269-2350
Washington, DC 20017
(202) 269-2350
Gr: 6-12 | 247 students Sports: 13 Tuition listed
4101 Connecticut Avenue NW
Washington, DC 20008
(202) 362-8882
Washington, DC 20008
(202) 362-8882
Gr: 6-12 | 300 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 48 Tuition listed
1524 35th St NW
Washington, DC 20007
(202) 337-3350
Washington, DC 20007
(202) 337-3350
Gr: 9-12 | 510 students Avg. class size: 15 students Sports: 13 | Extracurrculars: 72 Tuition listed
3000 Cathedral Avenue NW
Washington, DC 20008
(202) 939-8814
Washington, DC 20008
(202) 939-8814
Gr: K-12 | 659 students Avg. class size: 16 students Sports: 13 | Extracurrculars: 26 Tuition & acceptance rate listed
National Cathedral School
All-girls (Episcopal)
3612 Woodley Road NW
Washington, DC 20016
(202) 537-6300
Washington, DC 20016
(202) 537-6300
Gr: 4-12 | 599 students Avg. class size: 12 students Sports: 16 Tuition listed
St. Albans School ![St. Albans School Photo]( "St. Albans School Photo")
All-boys (Episcopal)
Mount St Alban
Washington, DC 20016
(202) 537-6440
Washington, DC 20016
(202) 537-6440
Gr: 4-12 | 576 students Avg. class size: 13 students Sports: 10 Tuition & acceptance rate listed
Sidwell Friends School
(Friends)
3825 Wisconsin Ave NW
Washington, DC 20016
(202) 537-8100
Washington, DC 20016
(202) 537-8100
Gr: PK-12 | 1,142 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 33 Tuition & acceptance rate listed
406 7th Street NW
Washington, DC 20003
(202) 847-0779
Washington, DC 20003
(202) 847-0779
Gr: 6-12 | 81 students Avg. class size: 10 students Extracurrculars: 9 Tuition & acceptance rate listed
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
3100 Macomb Street NW
Washington, DC 20008
(202) 243-1800
Washington, DC 20008
(202) 243-1800
Gr: NS-12 | 890 students Avg. class size: 14 students Sports: 7 | Extracurrculars: 4 Tuition & acceptance rate listed
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