The title of this study is “The models of school counseling and guidance to prevent and handle juvenile delinquency in high school SMA Muhammadiyah 7 Yogyakarta”. Research questions in this study are “What is the dynamic of juvenile delinquency?" and "What are the method of school counseling and guidance to prevent and handle juvenile delinquency in high school SMA Muhammadiyah 7 Yogyakarta". The aim of the study is to discover the factors that cause juvenile delinquency and the methods of counseling and guidance to prevent and handle the condition in high school SMA Muhammadiyah 7 Yogyakarta. Methodology approach that applied here is the qualitative approach. Data collection technique that used in the study is observation, interview, and documentary. The focus of observation here is the interactions between school counselor and students, parents, and researcher. The interview is conducted deeply to 3 (three) school counselors and 3 students who have a history of conducting juvenile delinquency. Meanwhile, the documentary technique is applied to secondary data such as documents, reports, or notes that collected from administration office and school counselors of SMA Muhammadiyah 7 Yogyakarta. The result of the study shows that juvenile delinquency behaviors in SMA Muhamadiyah 7 Yogyakarta can be classified into 2 (two) strata, namely: a) ordinary delinquency, such as playing truant, leaving classes without permission, and late. b) delinquency related to criminality or rules violation, such as smoking, bullying, and stealing parent’s properties. The causative factors discovered in the study are internal factors i.e. perpetrator him/herself, and external factors such as family and living environment around. The models of counseling and guidance in preventing or handling juvenile delinquency in SMA Muhammadiyah 7 Yogyakarta are classical counseling, group counseling, and personal counseling.