high school diploma is half american half canadian? help

Im facing a littel problem.my high school diploma is half canadian(from grade 9-11) and my grade 12 is american. I want to egypt to vist an old friend of mine and i ended up staying there for a year(as aposed to my 4 months vacation vist) so i figured look for a school here and jus finish off my last of school here. So i went to an American high school located in egypt. but know im kinda affaird i mean if i go back to canada is my diploma acceptable? it would be nice if some can one can really help me out.im planin on applyin to Queens university when i get back i mean jus kinda freaked out if queens doesnt accept my diploma.i mean my grade 9, 10, and 11 which i took in canada are a litle ok i mean about average if i may say. but my grade 12 is really good all my marks are.so if u have any advice that would be great thanks.