Templates are relatively easy to use and create in OneNote. There are a wide variety of pre-defined template styles to choose from. There are 33 blank templates that define everything from specific page sizes to the page color.
There are 5 academic templates designed to help you get rolling quickly in your school classes. They're pre-designed for classes such as Simple Lectures, Math/Science Classes or History Class.
Then you have 67 decorative templates that contain everything from simple background pictures, such as Hearts or Boxes to complex and beautiful background images such as Bamboo, or Blue Clouds and much, much more.
You also have 3 To Do List style templates which can help you begin a simple or prioritized to do list.
And finally, 7 business templates to help you get started taking notes quickly in meetings, such as Project Overview or Formal Meeting Notes
This makes a total of 115 pre-defined templates to choose from.
To look at a sample of the available templates, simply click Format -> Templates. Then expand the category you're interested in and begin clicking through the templates you'd like to view. When you click on a template, OneNote will actually create a new page, then apply the template to it, unless you're already starting with a new page.