In this article, we'll go through the customization options of your school's sections layout.
1. Go to Site Builder → Theme Explorer.
2. Go to the Layout tab.
The changes you make here will affect the top/bottom padding for each of the padding options of your pages' sections.
Click on Save to save your changes.
At any point, you can restore your changes to the default values by clicking on Reset layout.
To view the changes, select any section of one of your pages and change the layout's Height.
You can also check this article for a more detailed view of the section's Layout sideform options.