What was your biggest accomplishment at age 12?

I could jump my bike 3 sidewalk squares and eat 3 Quarter Pounders in one sitting.

This girl on 60 Minutes:


Alma Elizabeth Deutscher (born February 2005) is an English composer, pianist, violinist, and child prodigy. At age six she composed her first piano sonata. At age seven, she completed her first major composition, the opera The Sweeper of Dreams. Aged nine, she wrote a concerto for violin and orchestra, which she premiered in a 2015 performance.[1]
At the age of ten she completed her first full-length opera, Cinderella, which had its European premiere in Vienna on 29 December 2016 under the patronage of conductor Zubin Mehta,[2][3] and in July 2017, at the age of 12, she premiered her first piano concerto, and performed it on the same evening as her full violin concerto.[4]