There are different dimensions of the quality of education that have a distinctive role and importance for the preview of the basic features of education quality. In this paper, effectiveness in education is considered as one of the key dimensions of the quality of education, which will be seen also as economic category. In order to clarify conceptualization of the quality of education, main differences in the meaning of the terms efficiency and effectiveness in education were highlighted. System and process characteristics of education were emphasized, and based on these two distinguishing features of education, the specificity of evaluation of effectiveness in education were accentuated. In this paper, main characteristics of assessment o...