Simplify the following text for a Grade 6 native English-speaking person.
Original: A year later , at age 12 , she won the senior title at the South Korean Figure Skating Championships , becoming the youngest skater ever to win that title .
Simplified: A year later , when she was 12 years old , she won the senior title at the South Korean Figure Skating Championships . She was the youngest skater ever to win that title .