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If your course does not show up in the Moodle home page, it could be because you are not check the future or past tabs in case the you are viewing the page before the official start date of the course or after the course has ended.
If the course doesn't appear anywhere in Moodle, you may not be enrolled in the course. Check in Faculty Services (for faculty) or MySwarthmore (for students) to make sure you are enrolled in the course.
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