We have confirmed that the Real Time section of Coach Tools does not always update correctly. Instead of updating continuously, it only updates when the page is refreshed, or the student logs out or closes the browser.
To see the current situation, please press the C-shaped arrow next to the url for the page (the field starting with https://khanacademy... at the top of the screen, or have the student log out/close the browser.)
We apologize for the inconvenience.
Original August 27th 2015
Last updated July 31st 2016