The study entitled the Evaluation of Prevailing Leadership Styles in Zonkwa Education Zone Secondary Schools, Kaduna State has six objectives some of which are the assessment of the autocratic, transformational and situational leadership styles. Six research questions were asked in line with the objectives. Six null hypotheses were postulated some of which are that there is no significant difference in the opinions of respondents on the evaluation of the prevailing visionary leadership style in secondary schools in Zonkwa Education Zone and that there is no significant difference in the opinions of respondents on the prevailing charismatic leadership style in secondary schools in Zonkwa Education Zone, Kaduna State. For effective evaluation of the leadership styles of principals in the secondary schools, the researcher designed a structured questionnaire with related components for each of the identified leadership styles of Democratic, Autocratic, Transaction, Charismatic, Situational and Visionary attributes of principals. The questionnaire was validated through face validity and then pilot tested. The tested questionnaire was then administered to 200 respondents made up of 160 teachers, 35 principals, 5 Zonal Education Directors within the Zonkwa educational zone selected through a stratified random sampling procedure. The data collected were analyzed with the Statistical Package for the Social Science (SPSS), IBM version 20. Statistical procedures adopted in the analysis of the data included simple frequencies and percentages, means and standard deviation and one way analysis of variance (ANOVA). Tests were conducted at the 0.05 probability level of significance. The research questionnaire was drawn based on likert scale of strongly agree, agree, undecided, disagree and strongly disagree. The bio-data was taken care of and the descriptive analysis was done to discuss as it affects the study. The null hypotheses were tested using Analysis of Variance (ANOVA) at 0.05 significant level and all the six hypotheses were retained. From the findings some recommendations were made that principals should be encouraged through school inspectors to always alternate their leadership styles based on the prevailing circumstance and that the principals. There should also as much as possible discourage their use of autocratic leadership style in secondary schools of Kaduna State