The quality of any nursery/primary schools depend on its administration. To achieve effective quality nursery/primary education, administration is one of the key factors. Therefore, this study sought to determine the opinion of teachers about the administration of nursery/primary schools, assess challenges facing the administration and assess the ratio of staff to the pupils in the selected schools.Descriptive survey design was adopted for the study. Sample comprised One hundred and eighty three primary school administrators purposively selected from Osun State in Nigeria using simple random sampling technique. One instrument “Administration and Management of Nursery/Primary Schools (AMNPS)” was used to collect data. Data were analyzed using frequency counts, simple percentage and mean. The results showed that majority of the respondents in all the schools strongly agreed with the attributes associated with the expectations of a good administrator of nursery/primary schools, problem identified was irregular payment of school fees while pupils’- teacher’s ratio was in good order. Based on the findings, it is recommended that the administration of schools should be properly monitored by the government and proprietors.