Champion of liberal values has now receded to "get with the system or get out". Also, is the right to protest suddenly now not civil and democratic? It's also very problematic the way you think here. What you think you should be able to do is not how a modern fair society works.
In a successful multicultural society, you respect every ethnicity and religious belief. Schooling is a mandatory thing and it's not a place to dive into potential your personal hot takes on what you think is the best way to teach, without taking into consideration your audience.
You can do it and marginalize further an already marginalized minority but then don't complain why they aren't "like us".
As I said earlier, there are countless university courses and subjects that students can sign up for that are all full of these cartoons and no one cares. That is different that shoving offense material into a students face in school where they have no choice.