At STI, we do one thing and do it well - educate for employment success! With nearly 40 career paths to choose from, our students enter the workforce confident and experienced in their chosen profession. And because our students spend just two years with us, their knowledge base is fresh and innovative. STI offers Associate in Applied Science Degrees (AAS) as well as diplomas and certificates. The AAS generally takes 24 months or less to complete, and diplomas and certificates typically take one year or less. STI is one of South Dakota's most affordable post-secondary institutions and turns out the third largest higher educating graduating class in the state. STI is accredited by the Higher Learning Commission and is a member of North Central Accreditation.