I'm with Alex on this! If your primary use for the laptop is gaming, I suggest you to build a gaming desktop since it'll be much cheaper, with better specs.
Have you tried to search for the answer on Google?? - http://bit.ly/ZpIBwI
The second result from there, looks quite relevant to what you're looking for.
Totally up to you, if you find it hard to study on your own, tutoring is the way forward. However if you're really self motivated to study you can reach that 99.5, it'll definitely not be easy but very possible. One of my friends has done it, by studying on his own.