Se

[soyricogringo]

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

[Rusty]

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'.

[soyricogringo]

Gracias Rusty

[CrOtALiTo]

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