dirty commit: can't get references to work correctly between any tables

app/models/dashboard/score.rb

@@ -0,0 +1,28 @@
+module Dashboard
+  class Score < ApplicationRecord
+    belongs_to :dashboard_measure
+    belongs_to :dashboard_school
+    belongs_to :dashboard_academic_year
+    belongs_to :dashboard_race
+
+    NIL_SCORE = Score.new(average: nil, meets_teacher_threshold: false, meets_student_threshold: false,
+                          meets_admin_data_threshold: false)
+
+    enum group: {
+      all_students: 0,
+      race: 1,
+      grade: 2,
+      gender: 3
+    }
+
+    def in_zone?(zone:)
+      return false if average.nil? || average.is_a?(Float) && average.nan?
+
+      average.between?(zone.low_benchmark, zone.high_benchmark)
+    end
+
+    def blank?
+      average.nil? || average.zero? || average.nan?
+    end
+  end
+end