I don't understand all this fuss about older teachers not being able to find work here. I'm not a teacher and never want to teach. However I have two Thai female friends who teach "English" in village schools in Isaan.
I have visited both of those schools for a couple of days and both times I was asked to teach English for a day. This was with my friends, the real teachers, observing. Neither of those schools has ever had a native English teacher work there.
The kids were happy and paid attention as I moved around finding things in each of the primary colors, holding them up and saying the words, and writing the words on a chalkboard. The kids tried to repeat what I was saying and did pretty well. I improvised other such "games."
In both schools I was offered a full time job and I'm 68 years old with no degree. However I am in shape, clean-cut, and showed respect.
Are people looking in areas in small town Isaan?