Here is a step by step guide to help you create a website for your class using the new Google Sites. As you probably know, the new Google Sites 'comes with a bunch of extra interesting features that include intuitive technology, integration with G Suite apps, attractive design, ability to track site’s performance using Google Analytics, new colourful templates and many more. To learn more about the difference between classic Sites and new Sites, check out this resource.'
This visual is also available for free download in PDF format from this link.