None — DeKalb County -- Tucker High School $222.00 (sq. ft.) (Opens Fall 2010)
DeKalb County -- Arabia Mt. High School $176.83 (sq. ft.) (opened 2009)
Cherokee County -- River Ridge High School $173.40 (sq. ft.) (opens 2010)
Henry County -- Locust Grove High School $157.73 (sq. ft.) (opened 2009)
Forsyth County -- Lambert High School $138.03 (sq. ft.) (opened 2009)
Fulton County -- Johns Creek High School $136.60 (sq. ft.) (August 2009)
Cobb County -- Allatoona High School $135.67 (sq. ft.) (opened 2006)
Gwinnett County -- Archer High School $115.00 (sq. ft.) (August 2009)
Fayette County -- Whitewater High School $94.82 (sq. ft.) (Opened 2005)
Average cost of 7 non-DeKalb County High Schools $135.78 (sq. ft.)
DeKalb County's Arabia Mountain High School cost 30% more per square foot than the average cost of the non-DeKalb schools
Arabia Mountain High School cost 125% more than the least expensive school -- Whitewater H.S. of Fayette County
Metro school systems say construction costs have come down since the height of the building boom in 2004-2007