Delaware students can enroll in colleges classes while in high school with Dual Enrollment.
"The term 'dual or concurrent enrollment program' means a program offered by a partnership between at least one institution of higher education and at least one local educational agency through which a secondary school student who has not graduated from high school with a regular high school diploma is able to enroll in one or more postsecondary courses and earn postsecondary credit that-- (A) is transferable to the institutions of higher education in the partnership; and (B) applies toward completion of a degree or recognized educational credential as described in the Higher Education Act of 1965 (20 U.S.C. 1001 et seq.)." (Delaware Department of Education)
Visit Delaware Department of Education for more information.