Cada maestrillo tiene su librillo
 

Is there an equivalent for this idiom in English?
Meaning . every teacher has his own way of teaching.
It applies to any job.

To each his own.
One size doesn't fit all.
Different strokes for different folks.
There's more than one way to skin a cat.

Each means that there's more than one way to do something (or to get something).
Hay muchas maneras de matar pulgas.
Para gustos, los colores.
Cada cual a su manera.

Claro, y mira las opciones que se dan en la sección de "idioms":

http://www.tomisimo.org/idioms/es/so...crito-130.html

Saludos cordiales.