20 Books Found

Based on your description:

"what is the fiction book about a girl who grows up alone on a village. She auditions for a chance to go to a new school and is selected to go. When she gets there, she learns to use magic, but when she does, her hands turn gold. She participates in activities such as sailboat racing. At her school, there are challenges that the students train for, and if they do not pass, their memories are wiped clean and they are sent back home. Their minds are wiped with jellyfish. The girl has a jade stone that is really an egg, and when it hatches, it turns into what looks like a duck. The girl finds out that when the students minds are wiped clean, they are actually turned into mindless monsters. The duck is actually a phoenix. The girl escapes the taken-over school and runs."