Here's Google's training info on Google Sites Level 1: The Basics and Classroom Application (Level 2). They're easy-to-follow and quite nicely laid out. If you're feeling ambitious, here's the Advanced info.
Google Sites (sites.google.com) lets you edit your Holmdel web page, or create new web pages. The site you are looking at right now was created with Google Sites.
It's a fairly easy-to-use site creator and editor. You can use a Site to embed custom Google searches, YouTube videos, Google Docs files, maps, and other Google files, forms, applications, and products, as well as posting information for others to check out.
Here's a Site in two-column format with an embedded spreadsheet to show an audience information tye might find useful.
Here's a Site with a form embedded in it (this lets you send people to site to fill out your form so you can gather info into a Docs spreadsheet for record-keeping purposes).