Of course, Zoe was not a fool to make such a huge accusation without evidence, which is why she made it seem like a joke instead. Jessa was popular and had connections. Not only would that make some of the students hate her, but the witch might cry to whoever backing her to have her removed.
Hence, Zoe could not give them an excuse to get her fired. That was why she made sure to display the pictures of not only Jessa, but other teachers as well. If they made a deal out of it, she would claim to have used it for sample material.
