As a result, they are daily faced with tight schedules and they have to come to grips with the demanding work they have to prepare for school.

come 的基本意思是"来、到达"，在这里与介词 to 搭配使用。 to 是介词，表示方向或目标。 grips 是名词 grip 的复数形式，grip 本意是"紧握、控制"。 with 是介词，表示"伴随、用...方式"。 come to grips with 是一个固定短语，意思是"认真处理、应对（困难或挑战）"，比喻像抓住某物一样直面问题。