Consider PSEO! PSEO are Postsecondary Enrollment Options. PSEO courses allow students to take college-level courses and earn college credits while still in high school. Juniors and seniors can take PSEO courses on a full or part time basis. And as of 2012, 10th grade students are able to enroll in one Career and Technical Education course. Talk with your school counselor to find out more about PSEO.