Hi CraigBB As far as my research shows, pay as go plans do not support Apple Watch For Your Kids. It seems, according to Apple's website, Telus (on a personal plan) and Bell are the only providers in Canada that even offer Apple Watch For Your Kids....
wow - what a nightmare! THANK YOU for sharing this for others to learn from. Curious if you ever investigated if Rogers or Bell business accounts allow you to set up apple watches in the way you need (which is also exactly what we're trying to do FYI...
