I want to become a teen model but i need a little help?

i want to become a teen model but i just dont know how to do it. i am only 16 years old and have a baby. he is 8 months old going on 9 on the 13th. i dont kow if im to short . im 5'1 and weigh like 125. how do i get started on becoming a model or what do i do.