Peachtree Ridge High School was created in 2003.
Ridge High School was created in 1961.
Peachtree High School did not actually 'close'. The building was remodelled and rebuilt, and is now Peachtree Middle School, DeKalb County, GA.
Iroquois Ridge High School was created in 1994.
Grand Ridge High School was created in 1800.
Wheat Ridge High School was created in 1886.
Ridge View High School was created in 1997.
Canyon Ridge High School was created in 2009.
Mesa Ridge High School was created in 1997.
Palmetto Ridge High School was created in 2005.
Palmer Ridge High School was created in 2008.
Marriotts Ridge High School was created in 2005.
Gila Ridge High School was created in 2007.