Are there any websites that can help you.....?

figure out if you will fit the requirements of high school at the end of it like you enter all teh electives you plan to do and they say if youll manage to graduate with all credits? because i want to do a lot like science business and all that but im thinking i will not manage ot have the other credits filled out. and i am also planning to leev where i am living (ontario) to go to university in hawaii or sumthing and i was wondering how that works liek what requirements do you have to fill for doing that? adn im in ontario so a site that fits ontario plz