There has been a wave of anti-Semitic graffiti at my school and I’m worried

I’m 16 and a junior in high school, and we have had a sharp uptick in swastikas and other anti-Semitic graffiti in bathrooms and other places in the school. When I was a freshman, we only had one report and it led to huge outrage. There have been three reports this week and two reports last week, and it seems that no one even cares now. I am far from the only Jewish person at my school, and my town has a significant Jewish population, but it seems like no one is taking this seriously. Kids are making jokes about it, and this past report not only had two swastikas, but also a slur (we were not told what the slur was but we were led to assume it was the k slur). I have been talking to my Jewish friends and we are all starting to get worried for our safety. We don’t know what is going to happen next, or if more severe incidents are to come. What should I do? The administration is calling for a school-wide discussion on December 20, but I feel like that is nowhere near soon enough. What can I do to keep my friends and I safe, or at least make us feel a little safer?