Complex sentence: At age 13, Cox realized that acting was what she wanted to with her life, and her junior year, she enrolled in Interlochen Arts Academy in Michigan but found that it wasn't for her.
Split into simpler sentences: At age 13, Cox realized that acting was what she wanted to with her life. For her junior year of high school, she enrolled in an arts school in MI to continue her studies in theater but found that it wasn't for her.