Complex sentence: I learned the fundamentals of how to play basketball in the 6th grade from my gym instructor Debbie Mckee who later attended my high school and college games which was always a special visit for me.
Split into simpler sentences: I learned the fundamentals of how to play basketball in the 6th grade from my gym instructor Debbie Mckee. Who later attended my high school and college games which was always a special visit for me.