you can by your actions. if you are handed a gun and told to shoot someone, you can choose yes or no. they are choices that can lead you down two different paths. life is hard, but thats life. no one said it was going to be easy, just worth it.
if i were you, i would write a list of things i would want out of life. you may be young, and not have much in the way of money or freedom, but you will one day [assuming you are in high school you have 4-5 years before college or whatever you choose. adulthood is not as far as it may seem] this list doesn't have to be all work, it could be 'skydive with friends' to go along with 'make 1 million dollars' life is a balancing act and its all your choices. no spell.
what is it exactly about your destiny you wish to change? the only thing you are destined to do and cannot change is die. when and where and how is a mystery, so live it up now.
unless you wish to be reborn you can start life over this instant.
magick cannot change the past, and you cannot be reborn as the infant you were. that phase in your life is done. theres a quote by Lisa Unger that goes 'The past is history. The future is a mystery. The present is a gift.' this is very true. you have this moment to change things.
trust me, change is not easy, [i'm working towards change in my life right now] but in the long run it will pay off. you past may be terrible, but it does not define you, it made you who you are at this moment. you can choose to change that. if you don't like the person you have become, clear the cobwebs out of your brain, delete the negative, and place the positive on a shelf. you can change things if you try.
if your current physical living situation is bad, you can again try to change things. just because 'your parents don't understand' doesn't mean you should move, but if its a health risk, you can talk to people to help. if it is your parents being close minded about a situation, you can always talk to them. be calm, and explain things. as i said above, this point of your life is temporary. it may seem miles away, but the day when you are an adult and can move is closer than you think. if your goal is to one day move, start planning today. get a job, save all you can, my friend back in high school would buy and sell clothes online as a job. [she would buy second hand clothes, redesign them, and sell them on ebay, or she would clean out her closet and sell those clothes] you have many options, you just need to think.