This study aims sought to investigate the impediment of curriculum implementing grade sevenrnand eight catholic mission schools in AddisAbaba.rnThe study was conducted on two catholic schools in AddisAbaba. To achieve the objectives ofrnthe study both school principals and physical education teachers were selected based on theirrnavailability and 131 students were selected through simple random sampling technique.rnIn- depth interviews with principals and teachers, observations for teachers as well students andrnquestionnaires for students; were employed to collect data for this study. The data obtained werernanalyzed using both quantitative and qualitative analysis methods.rnThe study revealed that the surveyed schools would successful in creating of cooperativernteaching learning context for physical education curricula in terms of supply of infrastructures,rninstructional facilities, and material resources (physically), creating good communicationrnchannel among school communities and providing in-service training programs for teachingrnstaff. That is, they attempted to invest more for successful implementation of physical educationrncurriculum materials.rnIn contrast to these facts, most of activities observed in the schools were not congruence with thernstatements of curriculum materials. This is evident that principals and teachers performance withrnregard to the requirements of curriculum materials were found minimal and students’ attitude ofrnlearning physical education subject was also not as expected. In general, it was found that thernschools don’t implement the physical education curricula as intended. Attempt has been made tornidentify the impediments that hinder the successful implementation of curriculum materials.rnAmong the factors identified: the shortage of relevant instructional material resources in thernschool for grade 7 and 8 physical education subjects, students and teachers to utilize the availablernschool resources, absence of collaboration trend between mission schools and governmentalrnbodies and absence of relevant in-service training programs for teachers were found the majorrnchallenges that hinder the effective curriculum implementation process in the surveyed schools