The study is designed to investigate challenges to effective implementation of Christian Religious Studies among secondary school pupils in Ebonyi state. Two research questions were raised to guide the study. The study adopted a descriptive survey design. Ebonyi state is the area of study and the population comprised all the 232 CRS teachers in the area. 200 teachers from the government owned schools were selected out of 232 CRS teachers using purposive sampling technique. Fixed response questionnaire was used to collect data from the respondents. Mean was used to analyze data. The results show-cased many factors that challenges effective implementation of CRS curriculum among secondary schools pupil. Various ways of curbing the challenges were also discovered. Based on the findings recommendations were made on effective implementations of CRS curriculum so that the subject will achieve its desired goals in the lives of learner. This forms the major contribution of the study.