This research was a study Dropping out of students are important causes of waste in education. Therefore, education should study and explore ways to help students to study for the course without dropping out .Thus this study aimed to conduct a discriminating factors for dropout students of junior high school level. The sample consisted of 346 Students of junior high school level in educational extened school under nongkhai primary educationnal service area office 1 and Community Education College academic year 2012- 2014 were 108 dropout students and 238 studying students, obtained using the simple random sampling technique. The questionnaire was rating scale 5 level. Reliability of questionnaire was .982 .A questionnaire was used to gather data for discriminant analysis.