if I was in this situation my best bet would be to find a friend and acquaintance and hide with them and do whatever they are doing, I have been through fire drills and one lock down but never the real thing.

I'd hide under a desk or behind some furnature. Running is stupid and will probably get you killed.

Don't run, stay as calm as you can and stay hidden. Always help yourself before helping others.

We actually talked about this in my daughter's IEP/middle school transition meeting. She's got a staff person responsible for making sure she gets out in case of emergencies. Realistically I know that this probably won't work out, and she will just end up moving with a crowd or hiding. How do you fine the one blind kid in a sea of panicking kids? But it's nice to know they think of it anyway.

This is indeed a sad question that I have myself thought about many times before. And the very upsetting truth is that, realistically, us blind people will end up almost certainly getting slaughtered. I mean, I don't want to be the party pooper here but it would be naive in my opinion to believe we had the same chance of survival as sighted people. I hope that by being aware of this, I would manage to panic less and keep a cool mind if I ever get into such a situation.

As for concrete advice: I'd say this depends on whatever the particular situation would be like. As a nearly-blind person, I would certainly try to use my ears to gain an advantage over the attacker. For example in a school shooting you might first hear the attacker giving off some shots in a different hallway. This might give enough time to run to the exit. I'm not a student anymore but as a tall, big guy, hiding is not really an option for me. It can work if you're small but it's also quite a dangerous strategy in my opinion. If you can, find some other people and put an obstacle between you and the attacker. For instance in a classroom there might be a heavy piece of furniture that you can drag in front of the door.

Also, you might find this a bit tasteless but as a last resort you should always keep pity-begging as an option. If hiding and running both didn't work and I suddenly stood in front of the attacker, I would totally tell him that I'm blind and try to make him feel some pity. I would probably feel shitty doing this but hey, if it's a matter of life or death, I won't hesitate.

In the end, it's important to remember that, while we have a huge disadvantage to sighted people in this issue, surviving a terrorist attack is always partially a matter of luck. I recently watched this fascinating interview of a married couple from Germany who survived the tragic Luxor massacre. On November 17th, 1997, a bunch of islamist terrorists entered the popular archeological site of Deir-al-bahari in Luxor, Egypt. They were armed with half-automatic weapons and immediately started shooting at the tourists. Many people had no chance; entire families were brutally slaughtered, or parents in front of their kids, kids in front of their parents etc. This was inside a closed building (an ancient palace) and the victims didn't have any escape routes. Some tourists managed to run to an adjacent room. However, they soon heard the terrorists walk after them and in panic they realized they had walked into a trap - this room was without any doors or windows. The husband in the interview said that back in that moment he stumbled over something and when he looked up, he saw a little wall. It was mainly coincidence that he had seen it, no one else had noticed it. It wasn't very high, maybe 4 feet, but enough to crawl behind. So he grabbed his wife by the arm and they jumped behind that wall. Seconds later they heard more shots, as all the other fellow tourists in the room got killed by the terrorists. Then, there was a moment of silence. Suddenly the couple heard one of the terrorists step closer towards the wall. They were insanely lucky because he stopped a few feet before the wall, turned around and walked back again. Had he stepped just one or two feet closer, he could have easily looked over the wall and he would have seen them hiding there. They were later rescued and belonged to a small group of tourists who made it out alive. 62 people were killed that day. So, in some cases physical abilities don't even matter... sometimes you also just need a good amount of luck.

Sad truth: being in a "lockdown" isn't super great either.

Believe it or not in a lot of insane situations like this people really step it up. Ideally there should be always be a plan of what to do. So in a "lockdown drill" situation there should be designated individuals (and multiple backups) to help.

Same goes for fire drills, bomb drills, etc.

I'd call running counterproductive, as in against the run hide fight mantra. That's usually what everyone else does so you'll most likely be making yourself even more of a target. Find large objects, flip tables, etc. Unless your near an exit and feel as if you can get out in a reasonable timeframe. I've thankfully never been in such a situation so who knows what I'd actually do. It's real easy to construct a plan on paper.