To register for ECD 1:
Use 5912D for Dual Enrollment section (weighted grade & college credit)
Use 5912 for non Dual Enrollment

To register for CD:
Use 5920D  for Dual enrollment section (weighted grade & college credit)
Use 5920 for non Dual Enrollment

To register for ECD 2:
Use 5914D (weighted grade & college credit)

To register for AAR use:
8429 (during the school day)
8429AS (8th period)