You can access the posts that you scheduled from the Home screen or from your Class Feed. Please follow these steps - 

1. Navigate to your Class
2. Click on the Scheduled link that shows up in the right corner below the banner
3. You will see the list of posts that are scheduled
4. The Date and Time the post is scheduled for is seen above the Post
5. Click on Edit to edit the Scheduled Post
6. Click Delete to delete the Scheduled Post.