Nowadays, a demand is strongly expressed concerning education’s modernization. Schools are required to ‘change’ and adapt to contemporary demands. Greek State promotes many changes, such as institutional, changes in the curriculum’s content and structure and other innovations. Teachers are the persons asked to implement those changes. One aspect of educational changes concerns the methods used mostly by teachers in the implementation of educational changes. The main aim of the present study was to investigate the causes that according to teachers’ opinion, many educational changes are annulled. A questionnaire was given to teachers who work in State Primary Schools in the city of Patras in the South West of Greece.