There are a couple different options you have to put your newsletter online. One is to type your text into the different content areas (like the example on this page). Here are some teachers in the district who use the newsletter page in that way:
Cox Kinder and
Parkside First. The other option you have for sharing a class newsletter is to create it in word, save as a pdf file, then upload it to your website. Here are some examples of teacher that use this type of page:
Rutledge First and
Cox Third