The River School Photo - The River School's unique co-teaching model pairs a master's level educator with a speech-language pathologist in each classroom. Our thematic curriculum is designed to enliven learning across the domains, building each year as a student moves through our Preschool, Elementary and Upper Elementary programs. Children thrive in an environment of experiential and collaborative learning.

Top 5 Best District Of Columbia Private Schools Belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) (2025)

For the 2025 school year, there are 9 private schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) serving 4,491 students in District Of Columbia. You can also find more schools membership associations in District Of Columbia.
The top ranked private schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) in District Of Columbia include Gonzaga College High School, Maret School, and National Cathedral School.
The average acceptance rate is 33%, which is lower than the District Of Columbia private school average acceptance rate of 47%.
44% of private schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) in District Of Columbia are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private Schools Belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) in District Of Columbia (2025)

School
Location
Grades
Students
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.
Alternative School
4880 Macarthur Blvd NW
Washington, DC 20007
(202) 337-3554
Grades: NS-5
| 223 students
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.
All-boys | Alternative School (Catholic)
4501 South Dakota Ave Ne
Washington, DC 20017
(202) 269-2350
Grades: 6-12
| 247 students
3500 Woodley Road NW
Washington, DC 20016
(202) 537-6485
Grades: PK-3
| 374 students
Georgetown Day School
Georgetown Day School Photo
(2)
4200 Davenport Street, NW
Washington, DC 20016
(202) 274-3200
Grades: PK-12
| 1,050 students
Gonzaga College High School
Gonzaga College High School Photo - Gonzaga is Washington's only Catholic, Jesuit high school. The campus is located in the heart of our nation's capital and consists of nine buildings. In recent years, the physical plant has undergone major renovations and additions.
All-boys (Catholic)
(4)
19 I Street NW
Washington, DC 20001
(202) 336-7100
Grades: 9-12
| 962 students
Maret School
Maret School Photo - Upper School students gather in the Theatre weekly for Convocation, a meeting run by Student Council.
(1)
3000 Cathedral Avenue NW
Washington, DC 20008
(202) 939-8814
Grades: K-12
| 659 students
National Cathedral School
All-girls (Episcopal)
3612 Woodley Road NW
Washington, DC 20016
(202) 537-6300
Grades: 4-12
| 595 students
Aidan Montessori School
Aidan Montessori School Photo - Our outdoor learning environment.
Montessori School
2700 27th Street, Nw
Washington, DC 20008
(202) 387-2700
Grades: NS-6
| 154 students
Capitol Hill Day School
Capitol Hill Day School Photo - Capitol Hill Day School logo.
(1)
210 South Carolina Avenue SE
Washington, DC 20003
(202) 355-4498
Grades: PK-8
| 227 students

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