Here is how to setup Sutori in Haiku (PowerSchool). In a few minutes, your teachers will be able to access Sutori within the app:

Navigate to Domain Control
Click the Applications tab
Click on LTI Tools in the menu bar
Click + Add LTI Tool
Name the configuration (for example: Sutori)
For Host, enter: https://www.sutori.com/lti/launch
Enter your Key and Secret (provided by Sutori)
Check the Privacy box that says Share names and email addresses with tool
Click Save
If the tool is disabled, click on Manage Tool and select Enable

If you're an instructor looking to setup Sutori within Haiku, click here.