In particular, charter schools in the Knowledge is Power Programme (KIPP) start the school day at 7.30am and end at 5pm, hold classes on some Saturdays and teach for a couple of weeks in the summer.

• 特别地，参加“知识就是力量项目”（KIPP）的特许学校早上7：30开始，下午5点结束，有时周六也上课，并在夏季也上几个星期的课。