I have lived in the area for 12 years and seen it change greatly. I do not have kids but from those parents I know / have known I would say there is a trend for FH to be a stepping stone onto Beckenham etc once the kids are older. Given the area has changed quite dramatically, it is only to be expected there is a lag in the schools. Hopefully before long enough people will stay in the area which will help the schools improve. I'm sure a similar dynamic has occured in other areas of London so I do not see this as being a contraversial statement.