I was out of school for a 3-month period at 10 for an extended family holiday, and a 2-month period at 16 for illness. It honestly wasn't that disruptive - at 1

I was out of school for a 3-month period at 10 for an extended family holiday, and a 2-month period at 16 for illness. It honestly wasn't that disruptive - at 10 I probably learnt more on the road than in school, being tutored directly by my parents, and at 16 I had all my textbooks plus extreme boredom as motivation.