diff --git a/app/views/content_items/guide.html.erb b/app/views/content_items/guide.html.erb
index d1c30a3b9..1cf7c25c8 100644
--- a/app/views/content_items/guide.html.erb
+++ b/app/views/content_items/guide.html.erb
@@ -1,6 +1,8 @@
 <% content_for :extra_head_content do %>
+  <% schema = @content_item.requesting_a_part? ? :article : :faq %>
+
   <%= machine_readable_metadata(
-    schema: :faq,
+    schema: schema,
     canonical_url: @content_item.canonical_url
   ) %>
 <% end %>
diff --git a/test/helpers/application_helper_test.rb b/test/helpers/application_helper_test.rb
index e4c5560ef..0a09ec3dc 100644
--- a/test/helpers/application_helper_test.rb
+++ b/test/helpers/application_helper_test.rb
@@ -15,7 +15,7 @@ class ApplicationHelperTest < ActionView::TestCase
 
   test "#t_locale_fallback returns nil for a string with a locale translation" do
     fallback = t_locale_fallback("content_item.schema_name.imported", count: 1, locale: :de)
-    assert_equal nil, fallback
+    assert_nil fallback
   end
 
   test "#t_locale_fallback returns default locale for a string with no locale translation" do
diff --git a/test/integration/guide_test.rb b/test/integration/guide_test.rb
index 227e18cc5..799e9e7f7 100644
--- a/test/integration/guide_test.rb
+++ b/test/integration/guide_test.rb
@@ -83,7 +83,31 @@ class GuideTest < ActionDispatch::IntegrationTest
     schema_sections = page.find_all("script[type='application/ld+json']", visible: false)
     schemas = schema_sections.map { |section| JSON.parse(section.text(:all)) }
 
+    article_schema = schemas.detect { |schema| schema["@type"] == "Article" }
+    assert_nil article_schema
+
     qa_page_schema = schemas.detect { |schema| schema["@type"] == "FAQPage" }
     assert_equal qa_page_schema["headline"], @content_item['title']
   end
+
+  test "guide chapters show the article schema" do
+    setup_and_visit_part_in_guide
+
+    schema_sections = page.find_all("script[type='application/ld+json']", visible: false)
+    schemas = schema_sections.map { |section| JSON.parse(section.text(:all)) }
+
+    faq_schema = schemas.detect { |schema| schema["@type"] == "FAQPage" }
+    assert_nil faq_schema
+
+    article_schema = schemas.detect { |schema| schema["@type"] == "Article" }
+    assert_equal article_schema["headline"], @content_item['title']
+  end
+
+  def setup_and_visit_part_in_guide
+    @content_item = get_content_example("guide").tap do |item|
+      chapter_path = "#{item['base_path']}/key-stage-1-and-2"
+      content_store_has_item(chapter_path, item.to_json)
+      visit_with_cachebust(chapter_path)
+    end
+  end
 end
diff --git a/test/models/http_feature_flags_test.rb b/test/models/http_feature_flags_test.rb
index df2b90abc..7e505d63c 100644
--- a/test/models/http_feature_flags_test.rb
+++ b/test/models/http_feature_flags_test.rb
@@ -58,7 +58,7 @@ class HttpFeatureFlagsTest < ActiveSupport::TestCase
 
     feature_flag_value = instance.get_feature_flag('USE_MAGIC')
 
-    assert_equal nil, feature_flag_value
+    assert_nil feature_flag_value
   end
 
   test 'get_feature_flag returns feature flag value when feature flag exists' do
diff --git a/test/services/request_helper_test.rb b/test/services/request_helper_test.rb
index e7325ee27..1e7c5c948 100644
--- a/test/services/request_helper_test.rb
+++ b/test/services/request_helper_test.rb
@@ -4,7 +4,7 @@ class RequestHelperTest < ActiveSupport::TestCase
   test 'get_header returns nil when header does not exist' do
     header_val = RequestHelper.get_header('Govuk-Example-Header', {})
 
-    assert_equal nil, header_val
+    assert_nil header_val
   end
 
   test 'get_header returns header when header exists' do