Se

Se
 

This is refuring to the post with SE. qual es la diferencia entre " se ensena como y se ensenan como" gracias

None.
Both se enseña and se enseñan can be translated as 'they teach.' This is the generic 'they', like the generic 'you', 'people' and 'one'.

Gracias Rusty

The I can say that the word Ones, one they are both are words generics and they can use in any sentence.