Complex sentence: She attended Sahuaro High School in Tucson, and was a member of the Sahauro Cougars high school swim team and was one of the top college swimming recruits in the nation as a high school senior.
Split into simpler sentences: She attended Sahuaro High School in Tucson and was a member of the Sahauro Cougars High School swim team. She was one of the top college swimming recruits in the nation as a high school senior.