Modleing

I really want to be come a modle please can u help!! ive done a catwalk once for evening dresses and it was filmed and put on forgien tv i really enjoyed it but thats as far as i have got, i am slim like most modles are and have dark hair and brown eyes i really would like to take this up as a career as i have left school now please could u try and help me!
Yours Lucy ,16