Southern Polytechnic State University (also called Southern Poly; abbreviated SPSU) was a public, co-educational, state university in Marietta, Georgia, United States approximately 20 miles (32 km) northwest of downtown Atlanta. Until 2015, it was an independent part of the University System of Georgia and called itself "Georgia's Technology University."Southern Tech was established in 1948 as The Technical Institute in Chamblee, Georgia. The first classes were held with 116 students.