Your REACH screen is made up of three sections.  

  A left sidebar which is used for the Main Menu.

   A Main Body which contains your primary workspace.

  A right sidebar which is used for the Student Sidebar

Whenever you click on a student name in Reach he Student Sidebar (right) will open automatically.  This will happen on any screen that you are working in when a boarder name is clicked.

..

To open or close the Student Sidebar Menu  manually click on the Arrow icons in the top horizontal menu bar.