Tatiana's first class is the spy one with Sage, then it's French I believe, somewhere along the way science with Beast followed by Danger Room class. Other than that, beats the hell out of me what she takes. I am pretty much winging her classes.

As for Rose Mary I literally have no clue what classes I have had her in before. Do know she will start taking a more combat oriented approach to her classes and the mechanics class (thanks to Logan).

If the school had a class system like my college it could be different schedules depending on the day.