Complex sentence: He regularly played pickup basketball games at Golden Sunbeam Montessori School where he attended from 4th grade to 9th grade and developed his basketball interests and abilities on a turf donated by Forever Young Foundation (Steve Young).
Split into simpler sentences: He regularly played pickup basketball games at Golden Sunbeam Montessori School where he attended from 4th grade to 9th grade. He developed his basketball interests and abilities on a turf donated by Forever Young Foundation (Steve Young).