From the “My Courses” page, open the drop down menu by clicking the arrow on the “View” button next to the course you want to add new lessons to. Next, choose “Customize Course."
Type in the name of your desired lesson like "Cost of Education & Training" in the search box beneath the "Available Lessons" title and click "Go."
Click "Add" beside each new lesson you would like to add to your course. The new lessons will now appear in the right-hand column under "Selected Lessons." Once you have added all the courses you would like, click the "Finished" button to complete the process.