Start with the headline league table figure, the one that tells you how many children get five or more GCSEs with a grade C or better, including English and maths.
Even when the economy was doing well in the middle of this decade, only 45% of children leaving school without a qualification such as five good GCSEs were employed a year later.
By the age of 15, Shanghai children are around three years ahead of their English contemporaries - doing the equivalent of second year A-levels, while English pupils are still studying for GCSEs.
If you have an infant who gets up frequently through the night and a 4-year-old who's a light sleeper, having them share rooms might lead to some pretty tired, cranky kids and parents.