I have my credit

I hate my credit. I have a credit score of 580 and I badly want a house. The reason my credit is crap is because of my student loans. I want to hire a credit repair specialist to remove the hard inquiries and negative marks but why are they so high? I need something affordable. My student loans are in forbearance right now because

I just started school again. I’m tired of renting. I got three kids and I just a affordable home. Now I am at steady job for the past 3 yrs and trying to repair it. It’s just hell trying to build it up because of stuff in collections and leaving bad marks.