Complex sentence: She attended El Dorado High School, where she was a member of El Dorado's Vocal Music and Theater programs, starring in musicals including "Fiddler on the Roof", "The Music Man" and "Mame".
Split into simpler sentences: She attended El Dorado High School, where she was a member of the El Dorado Vocal Music program. She was also involved in theatre at El Dorado, where she starred in musicals including "Fiddler on the Roof", "The Music Man" and "Mame".