Summer classes

So I'm about to be a super senior come August due to life getting into the way. And I am trying to graduate in May next year, but in order to do that I need 12 hours over the summer. And I have 12 hours picked out. But I need FA and I have none for the summer. And my parents "can't do their loan bc it's maxed out" which is bullshit bc I have enough left to do a whole nother school year. And I am stressing bc it's almost June and I just need these classes. And I'm taking a senior seminar in the fall and will be booted if I don't take these classes. And I wanna graduate with my bf and idk what to do. I've tried Sallie Mae and Wells Fargo but I need a co signer. I guess it's due to my credit card being at it's limit. I have a 300$ card and I needed gas and shit to get to work so I haven't finished paying it off. But anyways. I don't know what to do and I'm stressed as stressed can be