学生 have the potential to earn credit more quickly in their home schools. 学生 who complete a full schedule of classes at the home school have the potential to earn 7 credits per year. 选修教育的时间较短(4或5小时), so students can only expect to complete 4 to 5信用s during an academic year. 有些学生由于出勤率低或学习效率低而收入减少.