task: default_users_roles, create 6-12th grade_levels
task: default_users_roles, create 6-12th grade_levels

Create Portal::GradeLevel objects for 6th through 
12th grade in this rake task:

  rake rigse:setup:default_users_roles

concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse