alphabetic ordering

app/controllers/districts_controller.rb

@@ -4,7 +4,7 @@ class DistrictsController < ApplicationController
   # GET /districts
   # GET /districts.json
   def index
-    @districts = District.all
+    @districts = District.all.alphabetic
   end
 
   # GET /districts/1

app/controllers/welcome_controller.rb

@@ -1,8 +1,8 @@
 class WelcomeController < ApplicationController
 
   def index
-    @districts = District.all
+    @districts = District.all.alphabetic
-    @schools = School.all
+    @schools = School.all.alphabetic
   end
 
 end

app/models/district.rb

@@ -2,4 +2,7 @@ class District < ApplicationRecord
   has_many :schools
 
   validates :name, presence: true
+
+  scope :alphabetic, -> { order(name: :asc) }
+
 end

app/views/districts/show.html.haml

@@ -12,7 +12,7 @@
         = @district.name
 
       %br
-      - @district.schools.each do |school|
+      - @schools.each do |school|
         %p= link_to school.name, school
 
       %br