The purpose of this quantitative study was to ascertain the characteristics of NCEL training programmes that make it an effective institution for developing school leadership. It also sought to assess whether there are significant differences in the scores of the composite dependent variables based on level employment, years being a teacher, years working with principal and overall tenure of principal. The sample was purposively selected to take part in the study consisted of 13 principals and 193 (206). Data collection instrument used to collect data for this study was the Principal Instructional Management Rating Scale (PIMRS) instrument developed by Phillip Hallinger consisting of 50 behavioralstatementsthatdescribeprincipaljobpracticesandbehaviors using a 5-point Likert scale. Data were analyzed using the MANOVA through the application of the SPSS software version 27. The findings revealed that there are no statistically significant differences in the scores of the composite dependent variables based on level of employment, years being a teacher, years working with principal. It was recommended that future research be conducted by collecting data from multiple stakeholders such students, parents, education officers or peers.