This study, "Assessment of the Role Performance of Principals in Secondary Schools in North-West Geo-Political Zone, Nigeria was aimed at gathering information on the opinions of principals, teachers, MOE and PTA officials on role performance of principals in the administration of secondary schools. The objectives set to guide the study include assessing the role performance of principals on interpersonal relationship, record management, school-community relationship in secondary schools in North-West Geo-Political Zone, Nigeria. Research questions include how do principals perform roles on interpersonal relationship, record management, school-community relationship in secondary schools in North-West Geo-political zone, Nigeria were asked. Descriptive survey design was used for the study. A total of 36,434 population comprising 3955 principals, 32231 teachers, 56 MOE and 192 PTA officials were used. Respondents were randomly drawn from the population. Cluster sampling was used to distribute 768 samples among the four categories as follows: 260 principals, 380 teachers, 18 MOE officials and 110 PTA officials. The main instrument used for data collection was questionnaire using Likert scale measurement. The questionnaire was validated by experts in the Department and found to be reliable through pilot study carried out in Katsina and Jigawa States. All the nine hypotheses formulated were tested using One Way Analysis of Variance (ANOVA). Six out of nine hypotheses were rejected while three were accepted and retained. The hypotheses were subjected to Scheffe test to determine the significant differences in the opinions of respondents. The major findings of this research indicated that the role performances of principals in most secondary schools were not carried out well. All the hypotheses were tested at 0.05 level of significance. Conclusions, recommendations were offered such as principals should endeavour to promote internal supervision, principals and classroom administrators should develop a positive attitude towards record keeping. Since the study did not cover all aspects of the role performance of principals in secondary schools, suggestions for further research in role performance were highlighted