Upper secondary school education is given in the schools of Turku
- in Finnish at 6 schools
- In Swedish at Katedralskolan i Åbo
- in English at the Turku International School
In addition to the upper secondary schools administrated by the City, also the Normal School of the University of Turku and Steiner School operate in Turku.
Service Area Director of Upper Secondary School Education in the City of Turku is Esko Heikkonen.
The Evening High School of Turku (Turun iltalukio) is an upper secondary education school meant for adults where it is possible to finish basic education studies, get the general upper secondary education certificate, pass the Finnish Matriculation Examination or to study single subjects (e.g. languages).