deep_attributes.rb

  def deep_attributes
    self.attributes.merge 'service_appointments_attributes'=>service_appointments.collect{|sa|
      sa.attributes.merge 'student_appointments_attributes'=>sa.student_appointments.collect{|std_a|
        std_a.attributes.merge 'student_appointment_goals_attributes'=>std_a.student_appointment_goals.collect{|sag|
          sag.attributes
        }   
      }   
    }   
  end