has_many_polymorphs enables school and school_memberships
has_many_polymorphs enables school and school_memberships

re-commented explicit has_many associations that should
instead be handled by has_may_polymorphs.
concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse