This study was carried out to assess the "Application of Time Management Strategies to the Administration of Public Senior Secondary Schools in Kogi State, Nigeria". Six objectives were set to assess the Application of appropriate schedule of School Activities to the Administration of Public Senior Secondary Schools, assess the Application of Time Allocation to the Administration of Public Senior Secondary Schools, assess the Application of Organization of Termly Planned School Activities to the Administration of Public Senior Secondary Schools, assess the Application of Delegation of Responsibilities to the Administration of Public Senior Secondary Schools, assess the Application of management of time wasters to the Administration of Public Senior Secondary Schools and assess the Application of supervision of School Activities to the Administration of Public Senior Secondary Schools in Kogi state Nigeria. Six research questions were raised in line with the objectives and the hypotheses. Relevant literatures were reviewed on the key variables of the study. Descriptive survey design was adopted for investigation and collection of data. The population of the study comprised305 principals, 2,022 teachers and 246 MOE officials; making a total of 2,573 respondents. The researcher adopted Research Advisor (2006) to determine the sample size of 46 principals, 256 teachers and 31 MOE officials. Making a total of 333 that was used for the study. The instrument used was structure questionnaire titled, „Application of Time Management Strategies to the Administration of Public Senior Secondary Schools Questionnaire (ATMSAPSSSQ) for principals, teachers and Ministry of Education Officials (MOE) to collect relevant data. The instrument was validated by the researcher‟s supervisors. Pilot study was conducted that yielded reliability coefficient of 0.713. Six (6) hypotheses were formulated and tested using Analysis of Variance (ANOVA). Descriptive Statistics of frequency counts mean scores and standard deviation were used for research questions, while the information collected through the questionnaire was analyzed using statistical package for social science (SPSS). The results showed that, principals devoted enough time to scheduled activities that helped them to build professional reputation in the schools appropriately. Also, principals often allocate time to some emergency cases in the public senior secondary schools in Kogi State. It was revealed that principals followed up on the responsibilities delegated to the staff to ensure that the desired objectives are achieved. The study concluded that, application of time management strategies in the school administration enhanced the achievement of educational set goals and objectives. Such educational activities include curriculum planning, allocation of teaching subjects, administration of examinations and the release of students‟ result. The study also concluded that, principals created accountability, meaning that teachers must be answerable for the tasks which they authorized to carry out in the public senior secondary schools in Kogi state, Nigeria. The study recommended that, teachers should spend adequate time for learning activities of communities‟ practice. Regular and fixed time should be allocated for communities‟ practice such that teachers will have enough time to collaborate with the communities. Teachers should meet, at least once in a week, for a minimum of an hour in schools for communities‟ practice. There should be constant sponsored workshops and seminars for both the principals and teachers separately to enable them become skillfulon the expectations of the supervision of instruction in secondary schools.