I can relate to that and almost every student feels like that at least once in a while. Learning sometimes can be challenging so when we have the opportunity to do away with it even just for a few days, we don't hesitate to take that break.
The most important thing is getting back on track immediately after the break...
Omo... I take my holidays seriously ooo! I would never do anything that has to do with school during holidays. Reading? Never! When school resumes, I'll resume reading. That was always my way, and it worked for me.