The object of this article is the evaluation of the effectiveness of ICT (Informatics Communication and Technology) training courses for teachers at a cognitive level. The aim was to broaden the views of philologists within the state of Messinia, who have participated in ICT training programmes, concerning the gaining of Technological Pedagogical Content Knowledge (TPACK) and the application of this knowledge in the school environment and mainly in the teaching procedure. The research questions were planned to trace how much TPACK knowledge philologists gained, at what level this knowledge was used in the everyday teaching procedure and how factors such as age, gender, level of education and training affect the use of this knowledge. In this research the quantative approach was used. Data was collected by used of close ended questions. Ninety one philologists who serve in secondary schools within the state of Messinia participated in the research.
The results of this research indicate that teachers evaluate positively the TPACK knowledge from their participation in training programmes for ICT but apply this knowledge in specific areas of educational process using mainly applications and software of ICT. The use of ICT affects factors such as their experience and level of training.