The study investigated the relationship between resource availability and secondary education, diversification in Kwara State. A descriptive research design of correlation type was adopted. The population for the study are the principals, vice principals, sciences, computer science, entrepreneurship education and technical education teachers. Total numbers of 96(40%) schools were stratified randomly selected. Also, 960 respondents were also selected for the study. Three research questions asked and four research hypotheses were generated for the study. The research instrument used was Resource Availability and Secondary Education Diversification Questionnaire (RASEDQ). The instrument contained statement items and were validated by the experts in Educational planning and tests and measurement. Split-half reliability method was used to test reliability index of .68 after subjecting the data collected to spearman ranking order statistics at .05 significance level. The research questions were answered through descriptive statistics like percentages. While Pearson product moment correlation statistics was used to test all the research hypotheses at.05 significance level. The result of findings shows that low positive significant relationship exists between the resource availability and secondary education diversification process in Kwara State. It was however recommended that physical, human and financial resources should be adequately provided towards effective diversification of secondary education towards quality curriculum development, skills acquisition, security, citizenship and virile environment. Effective secondary education diversification will enhance quality assurance in secondary education programme and the certificates awarded would be accorded national and international respects.