Complex sentence: He played high school basketball at Cholla High School in Tucson, Arizona graduating in 1985 and played college basketball at the University of Arizona, under the tutelage of Lute Olson, became a consensus all American during his junior and senior years.
Split into simpler sentences: He played high school basketball at Cholla High School in Tucson, Arizona graduating in 1985 and played college basketball at the University of Arizona. Under the tutelage of Lute Olson, Elliott was selected as a consensus all American during his junior and senior years.