Yes, a section can be hidden from student view until it is completed and ready for use.
Click on the ellipsis (three dots) to the right-hand side of the section header.
Select Edit section.
Enter from: and to: dates using the date fields or calendar.
Tick the 'Section visible only during these dates' box.
Click on Save.
You can check this has been successful by using the 'View list as a student' tool.
When the Section is complete and ready to be revealed for use by the students, click on the ellipsis (three dots) and select Edit section.
Click on the Calendar icon and select CLEAR for the from: and to: dates.
Click on Save.
The Section will be revealed.