The topic of the research was Influence of School Environment on the Academic Performance of Pupils in Public Primary School in Kaduna South. The purpose was to find out influence of the school environment on the academic performance pupils in public primary school pupils in Kaduna South. the target population of the study will comprise the teachers, students and on-teaching staff. The target population was 3,000 respondents. The researcher used simple random sampling method to select the total of (500) respondents from the above school, which comprises the academic staff, non-academic staff and students. The researcher selected (100) one hundred respondents from each school, making a total of 500 respondents from the five schools selected. The researcher used questionnaire to collect data from the respondents. The researcher used simple percentage to analyze the data collected. The instrument for data collection was questionnaire. The findings included the following: that the school environment has power to influence the quality of academic performance of the pupils, secondly, that good school environment gives opportunity to pupils to learn effectively. The researcher recommended that owners of schools should make their school environment conducive to enhance proper teaching and learning. secondly, owners of schools should spend adequate money on the development of school environment like library to attract attention to the pupils.