Author: Albinus Messanga1 Demetria Gerold Mkulu2 Department of Education Foundations, St. Augustine University of Tanzania, P.O.Box 307, Mwanza, Tanzania Email: amessanga@yahoo.com ABSTRACT The intention of this study was to investigate the effectiveness of managerial strategies in handling interpersonal conflict in public secondary schools in Tarime Urban. This study was guided by one specific objectives; Examine…