I am lucky enough to be from a part of the world where non-theism is the norm rather than the exception. I guess I didn't find religion in my late pre teens after having read the Ædda and could not really see the difference from the Bible - they were both just books filled with stories and our forefathers attempting to come to grip with some moral deliberations.
When I was 14 I chose a humanist confirmation instead of a Protestant - and my dad refused to pay for a confirmation party. However, my (then) 92 year old grand uncle gave me 10 times more than he had my older sisters along with the most cherished gift I have ever recieved - a card where he wrote "I don't agree with your choice, but I applaud that you think for yourself."
In much of the world being an atheist/agnostic carries no stigma, and I would advise you to think about living on one of those corners for a while if you can.
Scandinavia - the law of Jante is stronger than the word of God.
We freak out about as much when there's public display of religion as Americans do over nippleslips during Superbowl ;)