Undergraduate / 'Art changed and inspired me' - common app short answers [3]

this is my short answer for my common app short answer. can any one give me feedback and suggestions for improvement please?

here it is (its is 951 characters):

Please briefly elaborate on one of your extracurricular activities or work experiences in the space below (1000 character maximum):

When I was in the tenth grade I was chosen to become a student docent at the Museum of Fine Arts in Boston. In my first year I had to watch and learn from others. The older more experienced docents exuded a confidence and they knew almost everything there was to know about their art work and could answer any question asked of them. I was scared I would not be able to convey the same sureness and I wanted to pass on my passion for art in the best way that I could. Soon I became the trainer and a leader because of this program. I was passing on my experience and knowledge to the younger docents. They looked to me to learn and I was the example they would soon copy. The shyness and nervousness I had once felt had been lost and a new confident persona had taken over. Just knowing that I was looked up to along with the knowledge I has attained helped this new persona emerge. Art really had really changed and inspired me for the better.