Sweden adopted the voucher system in 1992, not fifteen years ago. There is evidence that the outcome was an improvement: https://web.archive.org/web/201305122

Sweden adopted the voucher system in 1992, not fifteen years ago. There is evidence that the outcome was an improvement: https://web.archive.org/web/20130512223637/http://www.ifau.se/Upload/pdf/se/2012/wp12-19-Independent-schools-and-long-run-educational-outcomes.pdf https://web.archive.org/web/20130512223637/http://www.ifau.s... Of course, there's a political debate attached to it and you will find a lot of people to frame it all differently, but the facts are clear: The private schools are superior. https://tino.us/2011/03/on-the-swedish-voucher-system/ https://tino.us/2011/03/on-the-swedish-voucher-system/ Sinking PISA scores in the last years is probably best explained by a lowering of standards to accommodate, among other things, for a surging population of newly-arrived immigrants.