Am I hero or coward?

Check this out: China earthquake: Teacher admits leaving pupils behind as he fled Chinese earthquake

{When the quake struck, rather than overseeing an orderly evacuation, he said he just shouted "Stay calm, it's an earthquake!" and ran for it without looking back to see if his pupils were following.

"I ran towards the stairs so fast that I stumbled and fell as I went. When I reached the centre of the football pitch, I found I was the first to escape. None of my pupils was with me," wrote the man now known across China as 'Runner Fan'.}

When I read this artile, first thing I thought was: "What would I do?"

Recently we had a practice "lock down" at our school, in case of an invador at the school. (In light of the recent shootings in Montreal at schools and colleges, our school decided to prepare for any unfortunate such event.) If the real deal happened, would I try to save my students, or would I just "run for it" as Mr. Fan did? In the article, the infamous teacher brings up a lot of valid points, which I might agree with. But actually, what would I do at that very moment, and one only really has an instant to decide. Am I coward or hero? I guess I'll never know until I'm actually tested, and I hope that moment never comes!