The diploma thesis looks into the history and present of the class and school climate. The theoretical part of the diploma thesis is divided into class climate and school climate description. Basic concepts are described and basic attributes and factors of school climate are developed. This thesis explains the principal methods of research, with emphasis on various forms of questionnaires with possible solution to remedy and optimization of class and school climate. At the end of the theoretical part the use of evaluation tools on internet portals www.rvp.cz and www.survio.com are described. These were used in the research work of school and class climate, as a possible way of compulsory school self evaluation, as materials for further work, especially for teachers and class teams, and materials for their self-reflection. The practical part deals with research using standard evaluation tools on the methodical portal www.rvp.cz , which was created as a basic support for teachers and support of educational programs. The directors and teachers in schools are the target group. The author along with the researched school participated in the project Cesta ke kvalitÄ›. This project is implemented by the National Institute of Education. In further research standardized questionnaire CES using contemporary information technology and a server www.survio.com that enables the creation, collection and evaluation of data from research is utilized.