Application & Orientation for those that plan to enroll at MODESTO JUNIOR COLLEGE: Fall 2017. Students attending will complete the first 2 steps in the enrollment process for MJC. The workshop will last approximately 2 hours Students, who have a social security number, need to bring it. Students, who do not have SS# can still enroll, but must have a pictures I.D. for MJC to assign a number for enrollment.