These 6 men revolutionized teaching. Every teacher should be aware of their works and how they apply to the classroom. Especially considering the fact that between the 6 of them, their theories are central to modern teaching.
Dyslexia Card for Teachers - from Dyslexic Advantage. Actually, 1 in 5 students are dyslexic, but other than that, this would be a good card to give to your child's teachers. Maybe have something on the other side about your child specifically.