Firstly what's wrong with these Institutions - only one I can think of they are run by Arabs
KSU, PNU and most institutions won't give two cahoots about you. They will abuse you, swindle you out of Saudi Riyals even when you have a written contract in place.
Management just don't get why most teachers leave, instead they have the old mentality of lets put more control on people when they should be empowering them. I could give you plenty of examples.
How to survive:
Meet like minded teachers at the University as this will also be your source of venting out
If you are on the verge of going mad then start counselling before it's too late. I have seen some of my colleagues go into depression and take all kinds of medication just to cope, they stay in KSA because of the money. YOUR HEALTH IS MORE IMPORTANT THAN MONEY.
Go out for a walk in the evenings, try to meet up with friends in the evening.
Join a gym and take your anger out on the punch bags.
Go to see different places, they're are some beautiful places in Saudi or pop over to Dubai on a weekend.
and mostly importantly try not to take any work home with you.