it is on you. it's how much you want it. If you want to try new tricks then expect that it is not going to be easy. The coaches, the environment, and everything else will make it more comfortable to progress to the tricks that you want. They can help you out tremendously. But still, it's up to you to perform them. Just do it, push yourself. You won't regret it.
By the end of your session you may not even see great progression, but if you've listened to everything the coaches told you and learn from the other riders, then you could just have gained priceless knowledge that will help you take your skiing to the next level.
In a nut shell, push yourself passed the limit that you set for yourself, remain positive, have fun, and absorb everything you learn.
If you do this, I guarantee you will progress greatly
Eat. Sleep. Breathe. Ski.