CSSC course code CSSC course code CSSC course code uri://ed-fi.org/CourseIdentificationSystemDescriptor Intermediate agency course code Intermediate agency course code Intermediate agency course code uri://ed-fi.org/CourseIdentificationSystemDescriptor LEA course code LEA course code LEA course code uri://ed-fi.org/CourseIdentificationSystemDescriptor NCES Pilot SNCCS course code NCES Pilot SNCCS course code NCES Pilot SNCCS course code uri://ed-fi.org/CourseIdentificationSystemDescriptor Other Other Other uri://ed-fi.org/CourseIdentificationSystemDescriptor SCED course code SCED course code SCED course code uri://ed-fi.org/CourseIdentificationSystemDescriptor School course code School course code School course code uri://ed-fi.org/CourseIdentificationSystemDescriptor State course code State course code State course code uri://ed-fi.org/CourseIdentificationSystemDescriptor University course code University course code University course code uri://ed-fi.org/CourseIdentificationSystemDescriptor