Hiding content that is still under development from students is a quick click away.
You can hide entire modules, which then hide all content within that module, or hide individual items or pages.
To hide an entire module, click on the gear icon ("configure") next to the top-level lesson that you would like to hide.
The in the settings box, check the box under Student Visibility where it says "Hide from Students." Then click Save.
Your entire lesson, along with all the chapters and pages within it are now hidden from students.