The study assessed practice of delegation of duties by principals of secondary schools in Funtua, Katsina State, Nigeria. The study aimed at finding out among other factors if delegation of duties would relate to better performance of secondary school teachers. Five objectives were formulated for this study some of which examine the delegation of supervisory duties by principals of secondary schools in funtua and the determination of delegation of Leadership duties by principals of secondary schools also in Funtua. Correlational design was adopted for the study. The population consisted of 188 secondary school teachers in Funtua Local Government Area out which 71 secondary school teachers were drawn from the main population of the study using stratified random sampling technique. Self developed questionnaire was duly validated by experts in the area of educational administration and planning. Five research questions were also asked and Five hypotheses were also postulated some of which stated that there is no significant relationship between the delegation of extracurricular activities by the principals and the performance of teachers in Funtua Secondary Schools. It further stated that there is no significant relationship between delegation of financial duties by principal and performance of Funtua Secondary School teachers. A pilot study was conducted and the reliability co-efficient was calculated to be 0.68 using Pearson Product Moment Correlation Coefficient. The study has shown that delegation of duties was related to efficiency and effectiveness of teachers in schools and the teachers? attitudes to work. The five hypotheses were rejected as there were relationships between delegation of supervisory duties, leadership duties, extracurricular activities duties, financial duties, academic duties and the performances of teachers in Funtua Secondary Schools. Delegating work to the specialists who possess the detailed knowledge for realistic decision working makes tasks to be performed quickly and efficiently. Delegation provides a pool of talented and skilled personnel who are ready to take up advanced roles and bigger responsibilities. . Delegation motivates them to keep learning, become more involved in team work and makes work more interesting for them The researcher recommends among others that; Head teachers should delegate more duties to subordinate staff through ensuring that there is existence of functioning departments, consideration of expertise in delegation of duties and giving positions of responsibility to subordinate staff.