The purpose of this study is to show conditions and trends of success of students on all undergraduate as well on graduate final exams in Agriculture College of the University in Zagreb so it can be established whether there is any connection, as to the influence of individual variables of student's efficiency. Variables used to analyze the success of students are: student's sign for academic year on all undergraduate and graduate colleges, student's gender, average of grades, number of exams taken, what kind of high school they attended, regions of the schools they went to and finished and other studies taken to analyze connections between students. Dana gotten from ISVU-system information was processed with the help of the SPSS package (Statistical Program for Social Sciences 21.0) and for establishing connections between variables of other tests (χ^2 test, t-test, ANOVA) were used. Results of research on the available information has shown that a majority of programs taken in colleges are female students and most students in college have gymnasium high school educations. Consider the region backgrounds they are coming from, most students are from the central part of Croatia. Success of students undoubtedly was influenced by female gender which means they are achieving better results in academics. Therefore, research has shown that there is a connection between finished highs school with success in college and that there is a connection between different regions they are coming from and their success in college. Analyzing parametric tests, it is established that there are significant statistical differences in average values between groups regarding signing in on academic year, types of school they attend and different parts of regions.