Although it might take her an hour or two to learn the basic functions, Barbara should manage her newsletters effectively via a desk-top publishing software. This is typically included in most WORD applications. More sophisticated programs like Adobe InDesign and QuarkXpress create page layouts for documents to be printed and can be used to create books, magazines, newspapers, etc.
Programs like Adobe Photoshop and Illustrator create printable images. Desktop publishing involves typesetting - font choice and text and page layout and graphic design. All is easy on the software for typing and printing a school paper.