A study is concerned with measuring the technical efficiency of a group of colleges affiliated to a university, using the DEA method. It was limited to three inputs (number of students, number of employees and number of teachers) and three outputs (number of conferences and seminars, number of published scientific research and number of graduates). The following table summarizes the inputs and outputs of each decision unit (university) during the academic year 2020-2021. number of graduates Outputs number of published number of conferences and Inputs DMU's scientific number of teachers number of employees number of students Number (college), research seminars 121 29 9 51 70 1623 1 61 16 3 62 80 1912 2 200 26 10 54 65 1875 3 72 18 5 71 75 2100 4 89 10 2 82 90 2988 5 To improve the relative efficiency of College No. 5, it is necessary to increase the number of conferences approximately by 8 conferences Ob.6 conferences Oc3 conferences Gd.5 conferences