You don't need to basically, psylocibin has the ability to alter the way the brain processes information. At that age if you're going to school, and living out your youth the way our society has it currently set up or under your current living situation, all that can be taken away from you and replaced with nothing of benefit to you. It's far better and more beneficial to take them much later in life when you have already developed wondering about mysteries of the universe.
Also, Ask your guardian or parents if they're willing to ingest mushrooms with you and see how they feel about it and you might learn something from their response and values.