In fact, Wilt already did that as early as his high school years. It was at Overbrook High School in Philadelphia where Chamberlain first made his presence felt on the basketball scene.

Wilt Chamberlain was always bigger than life ... His first sports love was track, but he was even better in basketball. His Overbrook High School team lost only three games in his three varsity ...

Wilt Chamberlain was always bigger than life ... he was more talented in basketball. His Overbrook High School teams went 56-3 in his three varsity seasons, going undefeated the final two years ...