Scotland's education watchdog has been accused of allowing inequity to be "hardwired into the system" following revelations that a paid-for consultancy service is dominated by private schools.
Tens of thousands of high school students in parts of Scotland are charged between £5 and £125 for home economics, art and other practical classes - while thousands more are charged nothing.
Ferret Fact Service looks at a claim from Scotland secretary David Mundell about young people leaving school without qualifications.
Ferret Fact Service looks into a claim by an SNP MP on levels of student debt in Scotland.
