We are told precious little about the Savior growing up, but we must assume that he was taught well by his parents and by the spirit to be able to teach the elders in the temple when he was twelve.
Being taught by his parents, the spirit, and possibly by the Father himself. We know he knew who he was at the start of his ministry when he fasted for 40 days and was tempted of the adversary.
He then became the man who it was said of: "How God anointed Jesus of Nazareth with the Holy Ghost and with power: who went about doing good, and healing all that were oppressed of the devil; for God was with him." (Acts 10:38http://www.lds.org/scriptures/nt/acts/10.38 )
Find out more about Christ. Along with the Bible, his words are in the Book of Mormon. Find out for yourself and read the Promise of the Book of Mormon online now at http://bit.ly/10t8QYm or get a free copy athttp://bit.ly/11WKJ1G
Or, Click here to chat online http://bit.ly/14NQosW or, to meet with representatives from the Church of Jesus Christ of Latter-Day Saints, go to http://bit.ly/10t9mW7
Picture is Jesus as a Little Child by Del Parson