Iam going to 9th grade this year And i wanna get into cheerleading do i have to be a specific height or weight?

Do i have to have experiences with cheerleading?

 I never did cheerleading before Is there like a beginners cheerleading?

Please i need to know these things And if there is anything else i need to know about this Please let me know:]

Thanks I moved and iam going to a NEW school I have no friends yet I can sorta do the splits because i took ballet when i was little i don't know how to do flips and all that.

Thanks for your help