It is widely known that Christmas has pagan origins, but many Christians seem content to partake in the festivities. But Christmas has no place in Christian worship.
Just because you have problems in a church where you go doesn't mean that you should not attend with other Christians. We are expected to attend with each other.
One of Jesus' final instructions to His disciples involved three key elements. Learn what they are, and how the preaching of the gospel is the most exciting story throughout all history.