This book constitutes the refereed proceedings of the International Conference on Informatics in Secondary Schools - Evolution and Perspectives, ISSEP 2005, held in Klagenfurt, Austria in March/April 2005.

The 21 revised full papers presented together with an introduction were carefully reviewed and selected for inclusion in the book. A broad variety of topics related to teaching informatics in secondary schools is addressed ranging from national experience reports to paedagogical and methodological issues.