This study aims to determine the achievement of competency standards of graduates in the fields of lathe machining, milling machining, grinding machining, CNC machining at Piri 1 Yogyakarta Vocational High School. This study uses a descriptive method with a quantitative approach. The subjects of this study were teachers and students of class XII of the engineering technique of Piri 1 Yogyakarta Vocational High School. The data collection technique used a questionnaire and documentation. The data analysis technique used is descriptive statistical analysis. Based on the results of the research, it is known that the achievement of the competency standards of lathe machining graduates is in the excellent category with an average value of 82.51 and the results of the questionnaire show the excellent category The achievement of competency standards for milling machining graduates was in the excellent category with an average score of 84.74 and the results of the questionnaire showed an excellent category. The achievement of the competency standard of grinding machining graduates is in the excellent category with an average score of 80.42, and the results of the questionnaire show an excellent category. The achievement of competency standards for CNC machining graduates is in the excellent category with an average score of 77.81, and the results of the questionnaire show an excellent category.