Oh wow, that's a big deal Jessica!
Those tests are pretty accurate, and if you haven't had your period then that's another good sign. However, a blood test is generally required to get a definite answer.
So, you're not giving up for adoption. I'm assuming that abortion is also not on your list of options. So let's go with you're keeping the baby.
Father sticking around is awesome!! What you need to think about is how much you want him around in raising the child. Is this going to be a team effort, or is he just going to be in the background and helping financially or where he can?
You're in college, so I'm guessing that your income isn't much at the moment. Are there family members or friends that can support you? Your parents willing to help in the raising and babysitting while you're studying? Accommodation suitable?
So I guess I've raised more questions than actual help, but there's a lot to think about in your situation. I'm sure that you have plenty of people here ready to support you
