Wearing a tie with a suit is generally considered formal wear, regardless of the age of the person wearing it. Young boys may wear a suit and tie for special occasions such as weddings, religious ceremonies, or formal events, but it is not typically a part of everyday wear. Some schools may have dress codes that require boys to wear a suit and tie, but this is not the norm. Ultimately, whether a young boy wears a suit and tie depends on the specific context and cultural norms of their community.