The home page is made up of posts. The top post is labeled “Sticky”, which means it will stay on the top of the page. The slideshow is on the “sticky” post, labeled “Soliloquy”. Do not edit (yet!)
The schedule is in two places, it’s a post on the home page and also a separate page. On both, the days are in gray boxes. When you change the schedule, make sure to stay within the <div> tags in the “text” view. For example:
The rest of the site is in the “Pages” section: Edit as necessary.
The sidebar is in the “Appearance” section, under “Primary Sidebar”: