Complex sentence: She spent most of her teenage years in the city of Obihiro, where she was one of the most eminent graduates of Obihiro Hakuyou High School, along with singer-songwriter Miwa Yoshida and television announcer Shinichiro Azumi.
Split into simpler sentences: She spent most of her teenage years in the city of Obihiro. She was one of the most eminent graduates from Obihiro Hakuyou High School, along with singer-songwriter Miwa Yoshida and television announcer Shinichiro Azumi.