Most school administrators may not have the opportunity of participating in planning, site selection, recruitment, selection and placement of personnel in their schools. As administrators, they are saddled with maintenance of school facilities, orientation of the personnel and play so many other roles in the management of school organization so that the school operates in conducive environment to enhance teaching and learning. Such other roles as making informed and rational decisions, enhancing effective communication among staff, students, management and community, and making sure that interpersonal relationship are maintained in the work environment for teachers and students to perform optimally, adopt effective training and development strategies for staff, spell out clear school rules and regulations and enforce proper mechanism to ensure discipline maintenance. Adopt workable strategies to them, their relationship with their community and other stakeholders within and outside the community, adopt quality assurance mechanism for reliable examination and set the standard for admission of students to ensure quality of students admitted to schools. The task of the administrator of secondary school is enormous and demanding but he can pull through if given the adequate training. Chapter 2 reviewed literature under the following communication, interpersonal relationship, supervision and inspection, staff training and development, personnel recruitment, discipline maintenance, facilities, community relationship, administration of examination, admission of students. Questionnaire was the instrument used for this survey research. The questionnaire has 110 items and targeted the principals, vice principals, teachers and Parent Teacher Association (PTA) chairmen of 26 unity schools across the six geo-political zones of Nigeria and Abuja-The Federal Capital Territory with 780 sampled respondents. Statistical package for social sciences (SPSS) version 17 was used in analyzing the research data descriptively and inferentially and also graphical representation of respondents' personal information. Regression model was the suitable statistical tool employed in testing the 11 hypotheses. On the bases of making scientific decisions, (0.01) was used as the level of significance. Findings reveal that teachers and students are involved in decision making process on issues that concern them. The administrators are democratic in decision making. There is effective communication process in the schools. There is cordial relationship among staff, between staff and students, administration and staff and administration and students. There is enough supervision of school and instruction. There is improved staff development system, and there is a system of mentoring and menteering. Staffs are employed on merit though promotions are not regular and welfare packages are not in place. Discipline is maintained through proper orientation of staff and students. Parents Teachers Association provides and maintain most of the facilities in the schools. Schools participate in community activities and vise versa. Examinations are conducted in line with school calendar and seen as cooperate duty of the schools. Selection and admission of students are joint activity of the Federal Ministry and the administration of schools. It concluded that for effective school administration and achievement of educational goals and objectives in the face of dwindling and allocation to the education sector, administrators must apply all the tools necessary for smooth running of schools and recommended that for greater effective and efficient school achievement, individuals with proper training in education administration/management should be appointed as school administrators.