Avon Grove High School is a public high school located in Southern Chester County, Pennsylvania, United States. It is part of the Avon Grove School District. Avon Grove High School enrolls about 1,850+ students in grades 9-12. It is neighbored by Fred S. Engle Middle School, which houses grades 7 and 8. Their school mascot is a Red Devil whose name is Mids and the school's colors are maroon and gold. The school was established in 1928 with Pierre Dupont being involved in designing its first building. The current building was built in 1957.