Teachers need to assign content to their class before they can reorder it. You can see how to assign content here - How can I assign specific objectives to my class?
Students will always have access to their assigned grade level objectives in the Journey. The Journey cannot be reordered at this time. Teachers can make additional Assignments as a way to supplement the journey with content from other grade levels or to surface content that teachers want students to work on right now. If assignments are provided to students, teachers will need to guide students on when to play the Journey content or Assignments content.
From the Objectives tab for each class or each student, Teachers can move an assignment up or down in the queue or remove assignments by accessing the gear menu next to the assignment they wish to move/remove from the Objectives tab.
From the student's Objectives tab:
To restore a removed assignment, select it from the “Complete & Removed” list and click the "Restore" button.