High school foot ball question?

Question

Alright, I play football and we have practice monday through thurs. I play line backer on defense and tackle on offense so my question is: On friday Saturday and sunday what can I do to go faster higher stronger? Meaning I need faster feet, faster reflexes, get my feet up, and learn to tackle efficiently.

Answer 1

hit the weight room, run through tires, run through ladders, work on sprints and different leg excerzices

Answer 2

do your regular stretches like you usually do, high knees, push-ups, lunges, etc.