About Illinois Institute of Technology. Illinois Institute of Technology in Chicago, IL reports an overall acceptance rate of 55.4%, an early-round acceptance rate of 68.0%, an SAT middle 50% of 1190–1390, a class size of 519, and a yield of 11.0% based on the most recent Common Data Set filings. Private STEM-focused university on Chicago's South Side with Mies van der Rohe-designed campus. 27% international students; strong in CS, engineering, and architecture.