class SurveyItemResponse < ActiveRecord::Base
  TEACHER_RESPONSE_THRESHOLD = 2
  STUDENT_RESPONSE_THRESHOLD = 2

  belongs_to :academic_year
  belongs_to :school
  belongs_to :survey_item

  scope :exclude_boston, lambda {
                           boston = District.where(name: 'Boston').first
                           where.not(school: boston.schools) if boston.present?
                         }
end