This study examined the relationship between principals’ administrative strategies and students’ academic performance in public secondary schools in Delta North Senatorial District of Delta State. The study adopted a descriptive research design of the survey and ex-post facto types. The simple random sampling technique was used to select twenty (20) secondary school. In each of the school, ten (10) teachers were selected and on a whole, 200 teachers from 20 public secondary schools were used to elicit relevant data for the study. A questionnaire titled ‘Principals’ and Administrative Strategies Questionnaire (PASQ) was used to elicit relevant data for the study. To ascertain the validity of the instrument, the content validity was adopted. Also, the reliability co-efficient of the instrument was obtained through test-re-test method and the reliability co-efficient of 0.65 was obtained. One research question and four hypotheses were formulated to guide the study; thus, the simple percentage was used to test the research question while the Pearson product moment correlation statistics was used to test the four hypotheses at 0.05 level of significance. The findings showed that there was significant relationship between Principals administrative strategies and students’ academic performance. These strategies include motivation of teachers, delegation of authority, monitoring instruction etc. The study recommended among others that there should be regular staff meeting and collective decision making and ensure that teachers teach what is in the syllabus.