I like both thesplots. And about the plot of preparing students for missions, I think that one would be especially good for the beginning of the year, because school hasn't started yet and I don't think everyone is very good at being an assassin yet, so preparing students for missions and such would be a good time for the teachersand leaders of the school to know how 'good' at assassination and how much the students know about being an assassin. 

I can't really think of any others plots, but I'm fine with one
I do think I know some good plots for later in the year, like maybe a major company is beginning to take the academy down, and maybe the students have to go in and 'take care' of this company? These are just ideas, of course

also I'd like a filler. I've been kinda inactive in this RP, and I'd like to know what has happened so far