“Instruido” means just that that person can read and write (literate), as you can see from this context:
“…las circunstancias personales del imputado plasmadas en el acto de indagatoria -empleado de 52 años, que sabe leer y escribir, instruido, con estudios secundarios incompletos- no es posible inferir, menos aún tener por probado,…”
(
http://www.pensamientopenal.com.ar/system/files/2014/12/Fall...----
“Educated” is much more than “instruido” (literate):
educatedadjective
UK /ˈedʒ.u.keɪ.tɪd/ US /ˈedʒ.ə.keɪ.t̬ɪd/
B2 having learned a lot at school or university and having a good level of knowledge:
She was probably the most highly educated prime minister of this century.
(
https://dictionary.cambridge.org/es/diccionario/ingles/educa...
