Complex sentence: Legal aid clinics were meant to affiliate with already-established legal aid societies; they would have between ten and fifty positions (depending on the size of the community), each having a stipend equal to that usually paid in local law offices.
Split into simpler sentences: Legal aid clinics were meant to affiliate with already established legal aid societies. They would have between ten and fifty positions (depending on the size of the community), each having a stipend equal to that usually paid in local law offices.