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.
The Scottish Government has been urged to act over the use of multi-level teaching in schools after an investigation by The Ferret revealed that the practice is widespread across Scotland.
The Scottish Government is facing fresh calls for reform of key qualifications in secondary schools and colleges after analysis of official data highlighted problems with major subjects.
Ferret Fact Service looks at a claim from Jo Swinson about the different levels of university access in different Scottish areas.
Ferret Fact Service looks at a claim from Scotland secretary David Mundell about young people leaving school without qualifications.
An analysis by The Ferret reveals that little progress has been made in closing the gender gap in schools, with STEM subjects still dominated by male students.
Experts are urging the Scottish Government to take radical steps to boost computing science education to prevent the subject from being squeezed out of schools.
A student council at one of Scotland's leading universities has criticised the intervention of 'dark money' from a right wing US Christian organisation in a row over freedom of speech.
A no deal Brexit would put school testing data at risk and could lead to "unacceptable" shortages of teachers, according to documents released by the Scottish Government.