hammadiby

So I received an unfair grade and I'm really angry at it. I've talked to the teacher and his superior but they're not willing to change this unfair grade. The reason this unfair grade was given to me is because of my religion btw. So I decided to take things into my own hand and try to crack the teachers password. The school website is www.moodle.boys.das.sch.sa so can anyone please help me. I'm 14 and brand new to hacking and cracking password but I really want to get into this sort of stuff. I need access to the teachers account which I'll try to get tomorrow hopefully but secretly sneaking into his computer and checking his username. P.S. I own a Mac so most of the softwares I found are e