All Core 40, AHD and THD diploma students must earn six social studies credits. Two credits of either Geography & History or World History and Civilization, two credits in US History, one credit in US Government and one credit in Economics. Standard diploma students must have two U.S History credits and one Economics credit and may choose their last social studies credit from any of the remaining social studies classes. College bound students are encouraged to take additional elective courses in the social studies area.