[QUOTE=Pehsness;8228259]
interesting… I always felt like 10 was too late to have started.
It definitely wouldn’t be formal - just a fun thing to see if there’s interest. And if there IS interest, by the time she was ready to be more “serious” all of the foundation would be laid.
I don’t know… I guess it’s just a crapshoot.[/QUOTE]
I think 7-8 is pretty ideal. At 10 there is time spent in ‘catch-up’ - but on the other hand, 10 year old kids catch up very quickly in skill.
What I see, watching kids in a large and kid-only lesson program, is that 6 months in, you can’t tell which 8 year olds started at 8 and which ones started at 5. They’re all about at the same level.
The ones starting at 5 have more adorable pictures of course. 
What I also see is that many of the kids who start at 5 don’t stay in the program. Now, why that is, and whether they would have stuck with it if they’d started later, I can’t say.
There are some kids who are completely gung-ho and ready younger, and who are focused and able riders remarkably young. But, they are exceptions.
With the youngest kids, you need to be much more careful about managing the experience to keep them safe and confident. This is x10 if you are guiding the riding yourself on a private horse.