Avondale High School may refer to: In the United Kingdom Avondale High School (Cheadle Heath) in Stockport, England In the United States Avondale High School (DeKalb County, Georgia) in DeKalb County, Georgia Avondale High School (Michigan), Auburn Hills, Michigan See also Avondale School (Wiltshire) in Wiltshire, England. Avondale School (Cooranbong) in New South Wales, Australia.