This study was instigated by the fact that even though school improvement program (SIP) was being implemented with observable challenges. like lack of commitment from stack holder ,lack of collaborative planning, lack of continuous monitoring and evaluation system, lack of awareness from teachers parents and community, shortage of educational finance, limited support from woreda education office, cluster supervisors, PTA members, overcrowded classroom size ,lack of students discipline, lack of internet access, lack of practical training and less students learning motivation that hinder the program from achieving its objectives in secondary schools North Shoa zone. The main purpose of this study was to assess the practices and problems of implementing school improvement program in secondary school, to identify, basic problems associated with the implementation of school improvement program /SIP/ and then to provide recommendations to identified problems. To achieve these purposes three basic research questions related to the practices and problems of SIP in secondary schools were set. Descriptive survey methodology was employed and simple random sampling and purposive sampling techniques were used. Accordingly, questionnaire and interview were used to collect quantitative and qualitative data and questionnaire administered to 129 teachers, 4, principals, 4 cluster supervisors.134 (one hundred thirty four) Questionnaires were properly filled and retuned. Interviews were conducted with 4 PTA members. Then the information obtained through questionnaires was analyzed using percentage and mean value and the information gathered from interview was qualitatively described. The finding of this study indicates that the practices of school improvement have been low in most cases, medium in some cases and high in rare cases. Due to this, the status of school improvement program implementations was not to the expected level. The achievements made so far are not encouraging and no significant efforts have been made to strengthen the implementation of school improvement program. Thus, to overcome the major problems associated with the implementation of school improvement program, recommendations have been for warded; this include: preparing adequate awareness creation program to ensure practical involvement of all stake holders, organizing and allocating the necessary resources, providing proper technical support and practical training to support the implementing of school improvement program(SIP).