The aim of the research was to diagnose and describe the professional aspirations of students preparing to become teachers in Poland, Latvia, and Ukraine. The diagnostic survey method was used in the research. The analysis of the results revealed both similarities and differences among students' job aspirations. In the range of factors diversifying students' job aspirations, there were both those referred to personality as well as of demographic and social nature such as family size, advantages of a future job, ways to gain employment, place of residence, chance to get a job, economic situation, self-assessment of possessed knowledge and skills.