Here's my advice, afterwards will be optional advice on highschool vs university.
I'll also assume you're in highschool and don't have control over where you live. If you're an adult and moved there of your own accord, and can't figure out how to remedy the situation, we have bigger problems to worry about than just giving you advice.
Finish up highschool wherever you currently are. Apply to university back where you're from (because it sounds like that is the school you want to attend), then move back there to attend university.
I moved away in grade 12. I wasn't thrilled, but I made the most of it and just enjoyed my time and made new friends. But I still wanted to graduate with my friends back home, so I ended up coming back here for the second semester in grade 12, and now I attend University here also. (I'm leaving out some details but that's the just of the story).
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I disagree with them, highschool is easy as FUCK. If you aren't liking highschool, I personally would not recommend going to university or college, fair enough if the reason you aren't liking highschool is bullying, nobody gives a fuck about you in University, so you don't really have to worry much about that.
High school is the same as university, except in high-school there's no stress and almost a non-existent amount of work. And you aren't paying out the ass for attending school.
That being said, I completely agree with them in the sense that once you go to university, you choose which classes you take, however unless University is different wherever you live than it is in Canada, you still have a certain number of credits you need total. This means that yeah, you're majoring in X, but you still need like 60 credit units from other ass-random courses that you don't care about or like.
Welcome to Psychology, Biology, Organic Chemistry, Physics, Anthropology, Stats, Math, Econ, English, Commerce etc. And certainly there's a number of courses even in your major you won't like.
Now University definitely isn't all that bad, in fact University is pretty awesome. You get freedom (assuming you don't live with your parents, I had to move to attend Uni about 2 hours away so I don't have to see my parents every day, and I can do what I want whenever I want). But you also get a lot of responsibility. If you spend too much of your time on "freedom" and not enough studying and doing homework, you'll just start failing classes. And it's no longer "l0l failed a class", it's FUCK, I just wasted 4 months and a shit ton of money on this bullshit class I didn't even want to take (but had to) and now I failed it and have to re-take it, (or drop out).
This isn't to discourage you from going to Uni or College. While working in the summer I look forward to going back to school (though during the school year I look forward to going back to work), however if you can't buckle down in high school, then you are in for a shotgun blast to the nuts in university.
High school was a do nothing-get 80s-90s. University is a do-way-more, get 70s-80s. (My personal experience, results may vary. Some people I know still get mid-high 90s, but they also devote ~10+ hours every single day of the week, all semester long to ensuring they know all of the material).
This is merely preparation for the fact that high-school may not be the most enjoyable period of your life (depending on your situation) but it is by far the easiest part of your adult(ish) life.
Good luck, back to studying for Linear Algrebra final.... And I hate linear algebra..
