Note: This step assumes that the Schoology Administrator has setup the external tool (integration) in Schoology. If they have not, please send the 'Administrators Section' to the Schoology Administrator.
Go to the Schoology Course and click 'Resources'
Click the 'Dropdown Arrow' and click 'Import'
Click 'Common Cartridge', click 'New Collection', name the file then click 'Next'
Click 'Attach File' then select the file (common cartridge) that was downloaded
Click 'Next' then click 'Transfer History'
Wait for Schoology to complete processing the file