Researchers believe access to green space can have a more positive influence on children from less affluent areas compared to those from richer parts.
Ferret Fact Service looks at Scotland's attainment gap between the richest and poorest students.
Progress in closing attainment gaps between rich and poor school children is faltering as their performances decline at differing rates, according to Scottish Government data.
School pupils in remote parts of Scotland have lower levels of literacy and numeracy than those in accessible and urban areas, according to recently released Scottish Government data.
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 Kezia Dugdale's claim that teacher numbers have declined by 4,000 under the SNP government.
Ferret Fact Service looks at Kezia Dugdale's claim on the education attainment gap in Scotland.