I am just getting started in Drupal and this is my first entry. I apologize in advance for my lack of knowledge. I publish a textbook that is used in many high schools and colleges. I now want to create an online component that supplements the textbook. Within the next few years I may want to eliminate the text, and create a complete online curriculum. I believe I need a website, a course authoring program, a CMS and LMS. Can Drupal support all of these components and if so, can they be integrated into existing delivery systems that high schools and colleges use? Thank you for your comments.