1. You'll never look at normal schooling the same way again. You'll find the thought of sending your kinds to a traditional school depressing and wonder how anyone can think it's a good idea
2. Every parent/teacher you who finds out you send your kids to a non-traditional school, and who hasn't experience of them, will find the need to defend traditional schooling
3. Unless you're lucky enough to have access to a Montessori high school, or you're able to homeschool, you'll have to face the day when you send your kids back into a normal school.