The bachelor thesis deals with the workload of the teachers of the secondary school and its time consumption. The theoretical part deals with defining the problem in Czech legislation and its comparison with the legal situation in the Slovak Republic and Finland. In the research of the thesis finds out the opinions of teachers and directors of the time spent by teachers on their job and these subsequently mutually compared. For this purposed are used two questionnaires, one of them investigates teachers' opinions, the other director's views. In the final part the thesis are analyzed the differences in the legislative of the mentioned countries and summarized information about the time-consumption of the teachers work arising from the survey...