This study investigated students’ participation in the management of Nigerian Universities. The variables concerned were, level of students’ participation in the management of Nigerian Universities, level of organizational effectiveness in the system and the relationship between students’ participation in the management of Nigerian Universities and organizational effectiveness. A descriptive research of survey design was adopted for this study. The sample for the study was made up of 700 subjects, consisting 50 students’ union executive members, 200 students randomly selected, 50 top University administrators and 50 lecturers from the Ekiti State University, Ado-Ekiti, Adekunle Ajasin University, Akungba Akoko and Nasarawa State University, Keffi. The samples were selected through stratified and simple random techniques. Data were collected with an instrument titled “Questionnaire on Students’ Participation in the Management of Nigerian Universities (SPMNU).The instrument was validated with reliability co-efficient of 0.93 and subsequently administered on the subjects. Simple percentage was employed to answer the two research questions while the two hypotheses raised were tested using Pearson product moment correlation analysis. The results were held significant at 0.05 levels.