And they are all growing up.
How to balance the incidents of growing up against the magic they are learning and are going to need to apply. Especially since neither she nor any of her classmates are Chosen Ones of any stripe, there is no prophecy anywhere near them, they are going to play a significant but subordinate role, and the magical problems ahead are not unprecedentedly large. In fact, they will console themselves with the knowledge that it has been worse.
And it will be several years for them to get to that significant stage. Even if I have started to set up the foreshadowing, that traditionally students demonstrate their skill by performing a useful marvel for the benefit of where they have grown up. . . .