Okay, for some reason I was thinking that we were going to have/ask Sharae to teach classes in Castilian to anybody who wanted/needed to learn the lingua franca. But, doing a couple searches through the forum, it seems that I was hallucinating again. The closest I could find was a conversation between Captain Fati and One-Eyed Maria where they had the idea of having her teach people Castilian (but nothing showing any follow-up) and where I think Sharae had mentioned to the Council in the first meeting that the Jewish and Muslim children weren't being taught Artes Liberales as was their custom and asking the Council for help.
What, if anything, is decided on this will greatly impact Cygna's seasonal plans.