In a recent definition, “Locus of control is an individual ’s belief system regarding the causes of his/her experiences and factors to which the person attributes success or failure ”. As a person with internal locus attributes his/her success to his/her own effort and ability. Whereas a person with external locus of control is of the view that success or failure is due to good luck or fate The aim of this study was to explore the. University of Nairobi Students Performance in the Context of Locus of ControlThe sample size com prised 127 females and 97 males, giving a total of 224 university students. Their age ranged from 20 to 55 year s. A questionnaire comprising 25 pairs of statements was used. Based on Rotter ’s Locus of Control Scale and performance in Psychology academic perf ormance a chi-square statistical analysis was employed . Calculation of: $x^2$ test [2df, N=224]=0.61, which was short of reaching level of significance.; thus confirming that, there was no mean si gnificant difference between male and female participants on their academic performance based on their locus of contro l. In conclusion,.In general, locus of control is closely related to achievement and success in life. Moreover, people who feel in control of a situation may experience a sense of empowerment. Furthermore, individuals with a high se nse of mastery in academic work believe that they can control most aspects of their lives. On the other hand, tho se who are unable to gain mastery in academic performance or to exert influence over their circumstances may feel a sense of helplessness.