EN
Introduction Class 21 was launched in 2000 as a project of the Education Highway, the Secondary School of the Pädagogische Hochschule der Diözese Linz and the Ministry of Education. Aim of the project was to develop theoretical and didactical principles for learning in a digital environment. It was to last all four years of lower secondary education of the students engaged. Prof. Dr. Eder F., Salzburg, was the scientific monitor and evaluator of the project. During the four year period he compared the development of learning efficiency, self-development and the social climate in Class 21 with a control group of students taught by the same teachers.Aim of the Study To find out how the intensive use of ICT in class affects the classroom climate and the intellectual performance of students.Materials and Methods The methods were: Linzer Questionnaire of School and Classroom Climate, MATKOMP I, NATKOMP I and Salzburg Reading Screening (SLS 5-8).Results and conclusions During the project we learned that a focus on social learning and on establishing a good climate of work at school had more effect on the cognitive performance and on the improving of the social climate in class than any modern equipment.The study showed that ICT may make things easier but has no positive effect on the development in the categories mentioned above.