I raised a Finch when that was in the same situation when I was in high school. For the life of me I can't remember what I fed it what it was young. But it was neat, once it could fly I would let it out in my parents house and it would fly around and land on my finger. I turned it loose after I knew it was strong enough to survive on it own.
Did a quick google search and found a handy link for you.
Journey North American Robin
Did a quick google search and found a handy link for you.
Journey North American Robin