ACDS provides the opportunity for healthy competition through our interscholastic athletic program open to all fourth through eighth grade students. Our no-cut policy promotes physical fitness through participation, and student-athletes gain experience in leadership and sportsmanship. Students in grades five through eight have the opportunity to participate in soccer, basketball, softball, and Ultimate Frisbee. Cross country, swimming, and tennis are open to students in grades four to eight.

ACDS is a member of the ABC League. Other members of the league are: Browne Academy, Burgundy Farm Country Day School, Gesher Jewish Day School, Edlin School, Capitol Hill Day School, Green Hedges, and Merritt Academy.