Jump as High as you can
With the recent developments within the knowledge about weight lifting, strength training and explosive exercises, athletes today have a huge advantage compared to their older collegues.
Today there is an abundant amount of information on how to increase your vertical jump ability. Exercises like, squats, box jumps and other plyometrics are among the combinations of effective exercises out there. Combine these with truly protein rich food, like tune, chicken, or turkey mixed with rice, pasta or any equivalence and you will be well on your way toincreaseing your athletic ability.
It is a matter of hard work, dedication and sleep. Yes, you need to sleep too!
Good luck!