Arcadia High School is a public high school in Oak Hall, Accomack County, Virginia, United States. It is one of two mainland public high schools in the Accomack County Public Schools district. It serves students in the northern half of the county. The school mascot is the Firebird, which was chosen by the principal at the time, Mr Jack Gray. This mascot was relevant to the previous school that was there before, which was named the Cardinals.

The school was previously named Atlantic High School, most of the previous campus was destroyed by a fire in 1975. Classes were still held in the undamaged portion of the school after the fire. The current Arcadia High School campus was opened in September 1978. Nowadays, the back hall, auditorium, café, and art room area are all parts of the old Atlantic High School.

AHS is ranked in the top 15,000~ public high schools in America, 290~ in Virginia, and 3rd in ACPS. The graduation rate is 84%.

AHS offers Advanced Placement and Dual Enrollment classes to its students. Many AP classes are offered online, while some are offered in person.

CTE classes are offered to students at AHS to ready students for their careers. with them including Automotive Services, Computer Systems Technology, Cosmetology, and Welding.