"The research, published by investment advisers Killik & Co, says the £236,000 paid by parents of a day pupil would, if invested, return nearly £800,000 over the child’s lifetime – enough to pay for university, put down a substantial deposit on a house and leave £500,000 for retirement."
www.theguardian.com/education/2015/jul/15/private-school-education-could-be-poor-investment-research-shows
All views welcome :-)