Spray painted markings warning people "don't get too close" have appeared outside schools and nurseries.
Nicola Sturgeon said gatherings with too many people or without social distancing risk spreading coronavirus.
First Minister Nicola Sturgeon will update MSPs on schools as well as any further changes to lockdown.
He said secondary schools should take 'practical' steps to enable distancing 'wherever possible'.
Group advising Scottish Government says no social distancing is required between pupils.
Nicola Sturgeon announced the move at the Scottish Government's press briefing on Thursday.
The unnamed individual is asymptomatic and no other staff have tested positive.
Everyone wants children to go back to school safely but there is no single view on how to do that.
The EIS said measures like masks and perspex screens in schools should be considered.
Pupils might not have to socially distance when they return to schools on August 11.
Nicola Sturgeon has asked her scientific advisory group to explore the issue ahead of a July 2 review.
The Scottish Government has faced criticism over its plans for 'blended learning' when pupils return.
An education policy expert warns gap between richest and poorest pupils could be five times wider by December.
Crowds of people gathered at Glasgow Green, while a demo was also held at Holyrood Park in the capital.
Nicola Sturgeon also said attending mass demonstrations this weekend over George Floyd's death is 'not safe'.
The First Minister said she will consider if the recommendation should be made mandatory.
Commons to return to traditional voting as the government's move to end the 'hybrid parliament' is backed.
The capacity of the bus company's vehicles will be reduced by more than 75% next week.
The First Minister announced people can go outside for exercise as many times a day as they like from Monday.
Stirling University scientists will look at how the easing the lockdown could work for licensed premises.