We consider the score-rating system of an estimation of knowledge of students, taking into account all types of student work, the quality of their performance. An example of assessing the development of studying of educational material on the subject “The pump and blower stations” during the ongoing monitoring of progress and intermediate certifi cation. The estimation of the effectiveness of the system in practice. Indicated on the learners understanding of score-rating performance monitoring system, increasing their interest in activities and intensifi cation of systematic independent work during the whole learning process a particular discipline.