This paper is another attempt to view one of the most topical issues of modern education – early elimination from the educational system and to try to discover effective and long-term ways to solve this problem. The paper comprises two - theoretical and empirical - parts which are separated into 8 sections and 7 subsections. In the beginning of the research the place of the comprehensive school is being discussed as well as its functions and importance in the educational system, besides, the problem of non-attending pupils is being revealed which has recently been getting more response in the society. The latter problem is highlighted through the presented and analysed scale of non-attending pupils. One of the largest sections of the theoretical part is devoted to the cause analysis of school non-attendance and early elimination from the educational system. The causes are analysed by grouping them into four essential groups – personal psychological pedagogical; family; school; societal, then, discussing each cause group in detail. The remaining sections of the theoretical part present possible school non-attendance consequences, preventive possibilities and problem solving models. The other – empirical part of the paper was performed in one Vilnius city grammer school, where the schoolteachers and pupils were questioned. The empirical research seeked to reveal the attitude of the respondents towards the questions discussed in the theoretical part –... [to full text]