What are some good drills or tips I can use to improve my long jump form?

I am 13 and take my athletics very seriously. My best jump currently is 18'8". I am currently toward the end of my track season and would like to focus now on my form more than my distances because I am aware that the better form you have, the further the distance. What are some tips for form you guys have? How can I help improve it? I KNOW PRACTICE WILL HELP SO PLEASE DON'T SAY PRACTICE, I PRACTICE 6 OUT OF THE 7 DAYS OF THE WEEK! Thanks for your time.