What is the difference between dual credit and advanced placement?

Dual credit classes are classes offered to high school students for both high school and college credit. Students who complete a dual credit class will receive a letter grade on both their high school and college transcript. Dual credits are transferable.

Advanced placement provides college credit based on performance on a cumulative exam administered to high school students in May. For exam scores of 3, 4, or 5, colleges and universities may award credit for or waive a required course.