There are several authors reporting on several eyewitnesses.
And your point is that hearsay evidence is convincing? I'm not trying to bash faith, but I do believe we are talking about faith, and not evidence of a kind we would accept in court.
My point remains that science has a different outlook on acquiring and validating knowledge. I can't imagine why people want faith dragged into science classes, where the prevailing atmosphere is one of skepticism.
Do you really want your religion dissected in front of high school students?