The article presents the results of a study of the qualitative and quantitative indicators of the working capacity of students in the 6th grade of the secondary school “A”, as well as the results of the evaluation of the educational process and the school timetable.On the basis of the results of the correction and SAN tests, an increase in the efficiency of students by the end of the day was revealed, and the compliance of the fluctuations in working capacity throughout the week with the standard curve. It was determined that the psycho-emotional state of students is the most unfavorable after classes on Wednesday. It was established that after the holidays the recovery abilities of the students are higher than before the holidays, and also...