This study was carried out in Nyamira South District, Nyamira County in the Republic of Kenya. This study was compelled by the frequent low performances of students in KCSE each year when results are released. The purpose of the study was establish the pedagogical influences on students’ academic achievements, teaching learning facilities, teachers’ motivation and teachers’ professional experience on students’ academic performance. The study established curriculum delivery based factors leading to differences exhibited by different secondary schools in the district. Descriptive survey design of the ex post facto type was used. The location of the study was Manga in Nyamira County- Kenya where dismally low performance has been perennially exhibited. The Districts Education Officers (DEOs), Head the Education department at the sub county while the county is under the County Director of Education. The population constituted 18 public secondary schools in Nyamira South District with a total 225 teachers and 2800 students. The sample constituted of secondary schools which have presented student for KCSE at any one time that is 18 public secondary schools 23 teachers , 280 students which is 10% the population (Mugenda & Mugenda 2003) and 1 District Education Officer. Simple random sampling was employed to obtain student sample obtained through stratified random sampling. It reveals that pedagogy influences performance, these findings indicate that different pedagogy employed determines the performance outcome. Majority of the respondents prefer that learners centred types of pedagogy are best related to good performance unlike the lecture- teachers centred teaching method which many felt is a factor towards poor performance and High level motivation of teachers increase morale in terms of rewards and remuneration will increase the morale of teachers hence committed to their work reducing absenteeism and changing their altitude which will lead to syllabus coverage and like of profession leading to learners confidence and eventually improved good performance in public secondary school in Manga in Nyamira County.