I love love love this, Steph. Those sons of yours were absolutely blessed when they chose you as a mother!
I home educated my girls in their earlier years and schooling was a learning experience for all of us. I remember them teaching my dad about the phases of the moon - something he had never learnt, despite grammar school education and a degree.
And, honestly, not much has changed. But when I have been able to help them with school work that I have greater knowledge than them in, it's actually felt like a refreshing change!