The purpose of this study was to investigale the major challenges of secondaty edllcation planrnimplementation in Oromia National Regional State. Pertinent pOints that helps to assess thernresources capacily of secondaty schools to implement education plan organizational structure,rnmonitoring and evaluation practiceslto implement their education plan, the extent the regionalrnsecondaty education plan implemented, the involvement of stakeholders in secondaty educationrnplan implementation in Oromia were raised. Over and above the major factors that challengesrnthe implementation of secondaty education plan implementation in the region, the mechanismsrnand strategies utilized to tackle practical problems in secondaty education plan implemenlationrnwere identified. Finally, possible solutions on how secondaty education plan implementationrnwOllld be efficient and effective with in the region were recommended. In conducting this study,rndescriptive survey research was the pr~ferred method. Accordingly, the zones in the region underrnthe study were stratified based on their pelformance in the Region and the samples for the studyrnwere taken randomly from the stratum. Subsequently, the Education Bureau, five randomlyrnselected zones (Borena, North Showa, Jimma, West Hararge and East Showa) Edllcation Officesrnwere ineluded in the study. Further moreJrom these.five zones 21 woreda Education Offices andrn21 government secondary schools were randomly selected; and respondents from each wererntaken plllposively. Review of related literature as the sources of information and questionnaires,rninterview questions and document observation checklist were used data gathering tools. Therngathered data were also analyzed by using freqllency counts, percentages, means, chi-sqllare(x2rn)rnand independent t-test. The findings of the study indicate, the implementation of education plan inrnthe region were constrained by shortages of resources, weak capacity to coordinate schoolrnactivities and manage resources, low participation of stakeholders, large class size, large workrnload on teachers and high turnover of teachers, absence of adequate preparation to receivernprimaty school leavers, studel1ls disciplinaty problems and absenteeism, lack of support furrneconomically poor students and other socio-cultural related factors. Certainly, these wouldrnimpede the implementation of education plan in the region. Therefore, it is recommended thatrnstrengthening the participation of stakeholders, improving the managerial capacity of thernimplementing bodies by providing training, giving attention to secondaty education throughrnrealistic planning and effeclive plan implementation would enable to achieve the anticipatedrneducation objectives. In addition, in advance preparation to receive primaty school leaver.sÂ·,rnintroducing incentives and motivating mechanisms in collaboration with stakeholders throughrnmonitoring and evaluation of the pelformance, creating different income generating mechanismsrnthat would enable to help economically poor students would be paramount important inrnmitigating the aforementioned challenges ~f secondaty education plan implementation in thernregion