SIOUX FALLS, S.D. (KELO.com) — Southeast Tech claims top spots in Niche.com rankings. The Sioux Falls technical college, which has seen a 3% jump in enrollment this fall, landed number one in South Dakota and number seven overall in the United States out of 906 two-year institutions. 20% of the most recent enrollees are from out-of-state. In addition, almost 90% of Southeast Technical College graduates choose to live and work in South Dakota. Niche.com rankings are based on academic, financial, and student life data from the U.S. Department of Education, as well as reviews from students and alumni.