Stockholms Tekniska Gymnasium (Stockholm Technical Upper Secondary School) is a charter school that is located in the district of Östermalm, close to the Stadion metro station in the Swedish capital of Stockholm.
Before Thorengruppen acquired TIS in 2012, it belonged to Lernia AB.
As of 21 August 2014, there are approximately 250 students that are studying in Stockholm at Thoren Innovation School.
There are four different types of programs to choose from when someone starts to study in the upper secondary school: Thoren Innovation School in Stockholm cooperates with several institutions offering tertiary education, including the Royal Institute of Technology (KTH), Stockholm University (SU) as well as with various types of companies.
The upper secondary school was in a period of 8 years, from 2002 to 2010, run by STI and was located on the premises by STI on Östermalm.