The study focused on enhancing the standard of teaching and learning in the 21st century via qualitative school-based supervision in secondary schools in Abuja municipal area council. To guide the study, two null hypotheses were formulated. A descriptive survey research design was adopted. The sample of the study constituted of 270 secondary schools teachers in Abuja municipal area council. The study employed questionnaire for data collection while Chi-square was used as statistical analysis technique. Findings from the study indicated that school-based supervision significantly enhanced teachers’ performance in secondary school. The finding further revealed that school-based supervision significantly promoted students’ academic performance in secondary school. Based on the findings, it was recommended that since supervision enhanced the performance of both teachers and students, the quality of school-based supervision in secondary schools should be intensified in order to promote the quality of teaching and learning.
Key words: School-based, supervision, qualitative, standard and teaching and learning.
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