The first of December the world celebrates the AIDS Day. Here some info: https://www.worldaidsday.org/
Some ideas for CAS? What about making some red ribbons? It is simple and easy but the message is strong:
Here some ideas: https://www.youtube.com/watch?v=WvelLvUnW9s
WHY DON'T WE WORK TOGETHER ON IT DURING HOMEROOM TIME?