Is taking halloween pictures for school shirk?

So I’m in this class where we had a project to teach children English. The topic was halloween. We had this event where they learnt halloween vocabulary and they gave me the task to take pictures of the event. Does that mean that I’m supporting it? I know that halloween is like a shirk holiday, but I’m not sure if what I did is shirk as well. Also I was aware of the fact that it’s most likely sinful but I still took the pictures and sent them to my teacher.