DMACC offers the opportunity for high school students to enroll in credit courses as self-paid. Students must meet all necessary prerequisites for college level courses. Juniors and Seniors: Complete steps 1 and 2 below. Freshmen and Sophomores: Complete steps 1, 2, 3 and 4. Freshman/Sophomores are limited to no more than two credit courses each semester and must remain part-time students.