This research was aimed to describe 1) thecurriculum implementation at High School 2 Padangsidimpuan; 2) to describe the supporting factors andinhibiting factors of curriculum implementation at State HighSchool 2 Padangsidimpuan; 3) to find the solution towards thefactors inhibiting the curriculum implementation at State HighSchool 2Padangsidimpuan; 4)to describe the steps oncurriculum developmentat State High School 2 Padangsidimpuan. Thisresearch wasqualitativeapproach. Theparticipants were the stakeholders of State High School 2 Padangsidimpuan. Observation and interview were used tocollect the data. The findings showed that theimplementation of curriculumat State High School2Padangsidimpuanwas not optimally implemented,dueto lack ofmasterythecompetence of teachers1)teachers cannot arrange learningplanning based contextual; 2)the supporting factor ofcurriculum implementationat State High School2Padangsidimpuanwere from quality achievement, availabilityof media and school gerographic. Meanwhile found thefactors inhibiting the curriculum were lack of teachers’pedagogy mastery,professional competence,and socialcompetence;3)there were solutions towards the factorsinhibiting the curriculum implementation at State High School2Padangsidimpuansuch producemeaningful teaching,change theconcept ofcurriculum paradigm, changethe paradigm of teaching into based religious, and provide motivation for students;and 4) the steps were used to developthecurriculum suchplanning instruction,learningexperiences, and learning outcomes assessment.