How high can the average 12 year old jump from a 2 foot start?

Question

I posted some sheets of paper going up to about 9 feet on my wall and have been practicing jumping straight up and seeing how high I can reach. What would you estimate is the average jump height?

Answer 1

umm... well when i was 12 i had maybe only a 15in vertical  which was still kinda high on my team

Answer 2

i would say about taller then 6 feet i am 5'3 and i can tough the Celling of my house. lol