The academic performance of students in Public Secondary schools in Kenya has distressed the Ministry of education officers, parents,’ teachers among other stakeholders. Secondary education should fill some roles like provision of skills, knowledge and also prepare students to further their studies. Unfortunately, secondary education has challenges in accomplishing the roles. The main purpose of the study was to investigate on the influence of teacher related factors on students’ academic performance in public secondary schools in Makueni Sub County, Makueni County. The study focused on finding out how teacher related factors influence the students’ academic performance in secondary schools. The study was based on capital theory .The design adopted for this study was descriptive survey design. The study targeted 48 form 3 students, 54 teachers and 36 form 3 parents from Makueni Sub County in Makueni County. Purposive sampling and simple random sampling technique was used in selection of the respondents. The researcher made use of questionnaires and interview guide to collect data. Descriptive and inferential statistics were used to analyze the data. The data collected was analyzed using Statistical Package for Social Sciences (SPSS17) to generate the frequency of answers the percentages, tables and figures. The results of the study revealed that frequent use of lecture method in teaching brought about poor academic performance. The study has recommended that administrators should ensure teachers vary teaching methods and also attended workshops to equip themselves with the current teaching approaches.

Keywords : Influence, Academic Performance, Experience, Level of Education.