Good write up. My daughter is 9 and she and I have gone over the 'run, hide, fight' model a number of times, both for at home and when we are out and about. We are starting to work it into games such as: If you needed to get out of here, how could you do it? And then we discus it.
Kids are smart, creative, and resourceful when they want to be.

Many years ago there was an Australian movie called Fortress https://www.imdb.com/title/tt0091069/?ref_=fn_al_tt_2
where a teacher and her class in a small Australian school are kidnapped, and how it turns out.