The positions that people take are often influenced by their religious beliefs. Almost all gays, lesbians and human sexuality researchers believe that one's sexual orientation is fixed and not chosen.
Most religious conservatives believe that it is both changeable and chosen.
Conflicts mostly occur at the local school board level, where more heat is often generated than light. There is no magic solution that everyone will find acceptable. There is probably not even a compromise on the above items that will satisfy everyone. Under optimal conditions, sexual activity is an overwhelmingly positive experience. The best way for a child to learn about sexuality is in the home, from knowledgeable parents who can teach it in a relaxed manner.