There may be text be specific you are looking for in the School/District Library that you are going to assign to you class. You can assign these text directly from the School/District Library.
Step1: Find the content you'd like, and click "assign"
Step 2: Select the class you would like to assign the text to and click "assign"
Your text has been assigned!
You can assign more than one text at once
Step 1: Click "assign"
Step 2: Select the text you want to assign and click "next"
Step 3: Select the class you want to assign it to and click "assign"