EDIT MAIN
In order for a student to be promoted to the next grade level, UNIT requirements must be met,
UNIT = Class Credit
5 UNITS - promotion to 10th Grade
13 UNITS - promotion to 11th Grade (with 2 Math Credits & 2 English Credits)
20 UNITS - promotion to 12th Grade
28 UNITS - Graduation (Students potentially have the ability to earn 32 Credits during their 4 years)