Stress at work, apart from back pain, is the second work- related health problem most often met in the European Union. 28 % of employees with that problem. Stress at work causes more than a quarter of work- related health disorders. Employees of all professions encounter with that stress at work. Teachers make no exception. They often feel emotional stress because of unsufficient social support, they encounter with heavy workload. Social insulation or social elimination, work unappreciated, threat making or disruptions of inviduality are situations that can be measured as negative behavior at work. Manifestations of negative behavior predispose emerging of psychological terror. Aim of the study: is to explore and evaluate frequency of stress and psychological terror experienced at work by teachers working at Kaunas City Gymnasiums and secondary schools, and also the factors that cause such stress. Methods: information has been gathered using questionnaires for 475 teachers at Kaunas City gymnasiums and secondary schools. Information given in the questionnaires has been evaluated statistically using SPSS 11.5 for Windows program. Results: it has been found that 25.5 % of teachers suffer from psychological terror at work. 3 % of respondents feel psychological terror daily or several times a week. 80.1 % of educators feel stress. 14 % of teachers feel much stress. Most of tested persons (67.7 %) have good health, 13.4 %- very good, 14 %- poor. No one told that his health is... [to full text]