This study investigated the challenges in the implementation of Civic Education curriculum in Junior Secondary Schools in Rivers State. The research adopted descriptive survey design and was guided by three research questions and three hypotheses. The population for the study was 194( 30 principals and 90) civic education teachers in junior secondary schools in Obio-Akpor and Emohua Local Government Areas of Rivers State that was drawn using cluster random sampling technique. Cronbach Alpha was used to test the reliability of the instrument and it gave coefficient of 0.82. Mean and standard deviation were used to answer the research questions while t-test was used to test hypotheses. The findings revealed that lack of instructional resources and inadequacy of qualified teachers are indeed challenges of curriculum implementation in Junior Secondary Schools in Rivers State and that there is no there is no significant difference between the mean responses of civic education teachers and school principals on how lack of instructional resources and unqualified teachers affect the implementation of civic education curriculum. Funding should be made available to school to design their own instructional materials for adequate curriculum implementation of civic education in secondary schools, the importance of teacher involvement in decision-making and curriculum planning cannot be over emphasized. Therefore, government should involve teachers in curriculum planning and development to give them sense of recognition, the government and educationists should adhere to UNESCO 1:25 teacher and students ratio in the implementation of civic education in junior secondary schools in Nigeria for effectiveness