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.
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Enter from: and to: dates using the date fields or calendar.
Tick the 'Section visible only during these dates' box.
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Click on Save.
You can check this has been successful by using the 'View list as a student' tool.
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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.
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Click on the Calendar icon and select CLEAR for the from: and to: dates.
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Click on Save.
The Section will be revealed.