If you are a teacher, you will need to enable the feature to be able to view and use it with your class.

NOTE: If you are using Bloomz for Schools Premium, the health check will also need to be enabled at the community level for you to use this in your classes. 
  1. Click on the class name in the left navigation tray. Click the Settings icon on the top.
  2. Click Edit Settings.
  3. Click the Features tab. Toggle the Health Check on and click Done to save this selection.

Additional Resources: