A teacher named Steve Cuckovich who teaches at William C. Wood High School in Vacaville, California has openly admitted that he will reduce if a student says "God Bless You" to someone who sneezes:
In a perverse way, it makes sense that a health teacher would prefer that his students say Gesundheit —which in its most literal translation means “health-ness”—when someone sneezes. The one thing they can’t say inside the classroom of the delightfully named Steve Cuckovich is “God bless you.” If they do, they automatically lose 25 points off their grade.Cuckovich, who teaches health at William C. Wood High School in Vacaville, California, claims that this standard rote response to a sneeze is disrespectful and disruptive.
Instead of sharing my thoughts on this matter, there's someone who has already given his deep insight on this issue. Over to you Dane Cook: