What is the main conflict in Blankets: An Illustrated Novel by Craig Thompson?

Craig's school days are recounted. The boy is beaten up and humiliated on a regular basis. The bullies insult Craig's whole family and humiliate him in front of everyone. Craig is routinely miserable and feels isolated. He says, "As a child, I thought that life was the most horrible world anyone could ever live in, and that there had to be something better"