machan ,
I did AL and I passed it. But,
DONT DO IT !! if your parents willing to pay for your higher studies don't waste them on "tuition kada" for AL. Doing AL is just an exam to get a government uni entrance. Other than that I dont see much education in it.
Do what ever you like. You may need to do a foundation but its fine. Maximum it will take an year for that, then you can start your diploma and digree soon after.
You may save alot of time by skipping AL but most importantly its not the point. The best age and best time for study is 16-20. At that age most people are on fire to learn new things. Enthusiasm it self will take you to the success. Good luck!
Learn from my mistake