The study examined institutional planning and wastage reduction in Kwara State secondary schools, Nigeria. The key objective of the study was to investigate the correlation among resources planning, counseling planning, instructional planning and supervision planning and wastage reduction in secondary schools, Kwara State. The study determined the level of institutional planning in Asa Local Government, Kwara State and five null hypotheses were formulated to guide the study. Descriptive survey design was used for the study. Two sets of researcher-designed questionnaires tagged “Institutional Planning Questionnaire” (IPQ) and “Wastage Reduction Questionnaire” (WRQ) were used to generate data. 144 heads and their deputies in all the 36 secondary schools in Kwara State were the population for this study. Simple random technique was employed to choose 104 out of the total population in all the 36 secondary schools in Kwara State. Hence, everybody has equal opportunity to be selected. Data generated were subjected to analyze with the use of Pearson product-moment correlation and all the hypotheses were tested at 0.05 significan level. The results of the study showed that a substantial relationship exist among resources planning, supervision planning and wastage reduction in Kwara State secondary schools. It was recommended that school managers should put more efforts in ensuring adequate resources planning for effective wastage reduction in schools.