MAJOR ADVISER: KEFYALW WAKTOLE (PHD) The purpose of this study was to examine the relationship between community participation and school performance in Haro limu woreda primary schools which was found in Eest Wollega Zone. To meet the objectives of the study, correlational research design was employed, and three research questions were developed to guide the study. To achieve this study’s objectives mixed research approach and correlational research design were applied. Data was gathered from primary and secondary source of information. The the woreda was clustered in to eight clusters and one schools were selected from each cluster using sample random sampling, In this study 160 teachers, eight principals and eight PSTA members from each eight primary schools were participated using availability and purposive sampling technique. Questionnaire was used as the main tool of data collection. Interview and document analysis were used to substantiate the data gathered through questionnaires. Both descriptive (percentage means and standard divisions and inferential statistics /one way ANOVA /,Pearson correlation were used to analysis the data using SPSS version 24. The findings of the study showed that Community participation over all (GM= 1.89 and, SD=0.59) which revealed that low level. The finding revealed that the school performance over all (GM=1.88 and SD= 0.53) which was at low level. The study also found positive and significant relationship between Community participation and school performance (r =.0.913**) ,p=0.000 < 0.01, n=160). Based on the finding it is therefore, recommended that ,monitoring activities undertaken based on input process and output standards set and parents, teachers, school leaders and community members need to get adequate training and workshop that enable them work together to maximize their participation and achieve their duties and responsibilities effectively. Besides, it is better to give feedback for the community about their involvement and acknowledged for the efforts they made to support the school, in turn it encourages them and renews their motivation for further cooperation. Key terms: Community participation, School performance, Primary school