I would like to express my feeling and thanks to persons and institutions that supported me with their opinion and encouraged me to succeed in the development and completion of this thesis . My special gratitude and appreciation with respect goes to my advisor Ato Nigussie Kassahun who gave me his invaluable comments , suggestions , and unreserved guidance in the overall enrichment and development of this paper . My deepest heartfelt appreciation also goes to my wife Merema Hailu and to my sister Hadya Abraha who helped me with moral and financial support. I also thank them for their unreserved day-to-day guidance and support for my success . I would like to acknowledge my friends - Seid Hussen , Y eshiwas Dereb , Zeray Dress , and • ~ohammed Ansuar - for their assistance in providing moral and materials necessary for the study . I also thankful for Wurgessa Elementary School which helped me with computer service I also extend my thanks to teachers and principals of the sample schools for their assistances and cooperation in filling and collecting the questionnaires from the respondents . ' Acknowledgement ... v The main objective of this study was to assess the roles played by school curriculum committee in the implementation and improvement of school curriculum in the General Secondary Schools of Habru Woreda North Wallo , and investigate the problems that may affect the activities of the committee. To this end , basic questions were raised regard to issues related to curriculum implementation, issues related to curriculum improvement, and challenges related to roles of school curriculum committee . The subject of the study were 39 curriculum committee members, 67 teachers, a woreda curriculum expert , and a secondary schools' supervisor which were selected by comprehensive sampling , random sampling , and purposive sampling technique respectively . To obtain data , the researcher used questionnaires for curriculum committee members and teachers , interview for woreda curriculum expert and secondary school supervisor . Various statistical tools such as percentage , mean values , and grand mean scores were applied to analyze the obtained data from respondents . Accordingly , the respondents' response revealed that the general secondary schools ' curriculum committee in Habru Woreda played it's roles in implementing and improving school curriculum . Thus , the committee facilitated staff development for teachers . It also tried to collaborate staffs in the awareness process of school instructional activities to parents .Moreover , this committee .facilitated teachers' participation in assessing students' performance and in taking corrective measure . The committee also facilitated action research so as to improve classroom instruction . On the contrary , "this committee showed its weakness in the area of curricular issues like the committee was unable to create a means of getting financial support for its budget allocation , and the committee was unable to suggest the existing school curriculum or it couldn't make other groups to comment on the curriculum . Regardless of it's contribution , this committee had challenges in terms of low .motivation , lack of budget, shortage of support from school administration , committee's lack 6...of experience and in-service education . The recommendations for warded by the researcher include : -,he school curriculum committee needs. to be skilled and oriented about curricular. issues by the concerned parties . School administration is expected to support this committee in tenf!S of moral , finance , and stationary materials etc . Furthermore , the woreda education office in collaboration with zonal education department , or other groups should furnish the committee with adequate financial support