Ivan Illich - Deschooling Society , a must read for parents who don't mind radical perspectives.
Ivan Illich is perhaps the most controversial name when it comes to modern schooling and compulsory education. He was one of the earliest thinker who raised questions about modern schooling and critiqued it left, right and center. Parents will find his ideas quite disturbing yet quite powerful and useful. His most famous book is called Deschooling Society which is provided below for download (originally taken from Arvind Gupta's Website)
“School is the advertising agency which makes you believe that you need the society as it is" - Ivan Ilich