Do long-term substitute teachers get icons in their employee portal? (mybcbe.rapididentity.com)

No.  

To access various apps like iNow, Google Classroom, long-term subs will need the various links 

• Google Classroom:
  https://classroom.google.com/h
• Employee Self Service Portal (Pay stubs):
  https://ess.bcbe.org/EmployeeSelfService/Account/Login