diff --git a/app/components/app_location_search_form_component.rb b/app/components/app_location_search_form_component.rb
index c88e4def7d..b2d766f233 100644
--- a/app/components/app_location_search_form_component.rb
+++ b/app/components/app_location_search_form_component.rb
@@ -8,7 +8,7 @@ def initialize(form, url:)
 
   private
 
-  PHASES = %w[nursery primary secondary other].freeze
+  PHASES = Location::PHASES
 
   attr_reader :form, :url
 
diff --git a/app/components/app_school_summary_component.rb b/app/components/app_school_summary_component.rb
index d4fe3f3606..24bb2d3325 100644
--- a/app/components/app_school_summary_component.rb
+++ b/app/components/app_school_summary_component.rb
@@ -62,7 +62,7 @@ def name_row
   end
 
   def phase_row
-    {
+    row = {
       key: {
         text: "Phase"
       },
@@ -70,6 +70,18 @@ def phase_row
         text: schoolable.human_enum_name(:phase)
       }
     }
+
+    if change_links[:phase]
+      row[:actions] = [
+        {
+          text: change_links[:phase][:text] || "Change",
+          href: change_links[:phase][:link],
+          visually_hidden_text: "phase"
+        }
+      ]
+    end
+
+    row
   end
 
   def programmes_row
diff --git a/app/controllers/draft_schools_controller.rb b/app/controllers/draft_schools_controller.rb
index 3157dfa77a..02e6f3e7e9 100644
--- a/app/controllers/draft_schools_controller.rb
+++ b/app/controllers/draft_schools_controller.rb
@@ -12,6 +12,7 @@ class DraftSchoolsController < ApplicationController
   before_action :set_name, if: -> { current_step == :confirm_urn }
   before_action :set_address,
                 if: -> { %i[details confirm_urn].include?(current_step) }
+  before_action :set_phases, if: -> { current_step == :phase }
   before_action :set_year_groups, if: -> { current_step == :year_groups }
   before_action :set_back_link_path
 
@@ -91,6 +92,10 @@ def set_name
     @draft_school.name ||= @draft_school.source_location&.name
   end
 
+  def set_phases
+    @phases = Location::PHASES
+  end
+
   def set_year_groups
     @year_groups =
       Location::YearGroup::DEFAULT_VALUE_RANGE.map do |n|
@@ -231,6 +236,7 @@ def update_params
         address_town
         address_postcode
       ],
+      phase: [:phase],
       year_groups: [{ year_groups: [] }],
       confirm: []
     }.fetch(current_step)
diff --git a/app/models/draft_school.rb b/app/models/draft_school.rb
index c7dae78c50..28543dbeee 100644
--- a/app/models/draft_school.rb
+++ b/app/models/draft_school.rb
@@ -14,6 +14,7 @@ class DraftSchool
   attribute :address_town, :string
   attribute :address_postcode, :string
   attribute :selected_year_groups, default: []
+  attribute :phase, :string
   attribute :context, :string
 
   attr_reader :current_team
@@ -51,6 +52,7 @@ def wizard_steps
       (:details if add_site_context? || editing?),
       (:urn if add_school_context?),
       (:confirm_urn if add_school_context?),
+      :phase,
       :year_groups,
       :confirm
     ].compact
@@ -93,6 +95,10 @@ def add_site_context?
     validates :address_postcode, postcode: true
   end
 
+  on_wizard_step :phase, exact: true do
+    validates :phase, presence: true, inclusion: { in: Location::PHASES }
+  end
+
   on_wizard_step :year_groups, exact: true do
     validates :selected_year_groups, presence: true
     validate :cannot_remove_year_groups
@@ -141,7 +147,7 @@ def readable_attribute_names
   end
 
   def writable_attribute_names
-    %w[name address_line_1 address_line_2 address_town address_postcode]
+    %w[name address_line_1 address_line_2 address_town address_postcode phase]
   end
 
   def resolved_urn
@@ -167,6 +173,10 @@ def next_site_letter
     existing_sites.max_by { [it.length, it] }.next
   end
 
+  def phase
+    super.presence || source_location&.phase
+  end
+
   def existing_year_groups
     source_location&.year_groups.presence ||
       source_location&.gias_year_groups || []
@@ -190,7 +200,7 @@ def programmes
   end
 
   def human_enum_name(attr)
-    source_location&.human_enum_name(attr)
+    Location.human_enum_name(attr, public_send(attr))
   end
 
   def schools_with_urn
diff --git a/app/models/location.rb b/app/models/location.rb
index a4c73f0296..2b610e7b58 100644
--- a/app/models/location.rb
+++ b/app/models/location.rb
@@ -15,6 +15,7 @@
 #  gias_year_groups          :integer          default([]), not null, is an Array
 #  name                      :text             not null
 #  ods_code                  :string
+#  phase                     :string
 #  position                  :geography        point, 4326
 #  site                      :string
 #  status                    :integer          default("unknown"), not null
@@ -125,8 +126,23 @@ class Location < ApplicationRecord
           )
         end
 
+  GIAS_PHASE_MAPPINGS = {
+    "nursery" => %w[nursery],
+    "primary" => %w[primary middle_deemed_primary],
+    "secondary" => %w[secondary middle_deemed_secondary],
+    "other" => %w[sixteen_plus all_through not_applicable]
+  }.freeze
+
+  PHASES = GIAS_PHASE_MAPPINGS.keys.freeze
+
   scope :where_phase,
-        ->(phase) { where(gias_phase: GIAS_PHASE_MAPPINGS.fetch(phase)) }
+        ->(phase) do
+          where(phase:).or(
+            where(phase: nil).where(
+              gias_phase: GIAS_PHASE_MAPPINGS.fetch(phase)
+            )
+          )
+        end
 
   scope :with_team,
         ->(academic_year:) do
@@ -190,6 +206,7 @@ class Location < ApplicationRecord
     validates :gias_local_authority_code, presence: true
     validates :gias_phase, inclusion: Location.gias_phases.keys
     validates :ods_code, absence: true
+    validates :phase, inclusion: { in: PHASES }, allow_nil: true
     validates :site, uniqueness: { scope: :urn }, allow_nil: true
     validates :urn, presence: true, uniqueness: { unless: :site }
   end
@@ -240,11 +257,10 @@ def dfe_number
   end
 
   def phase
-    if gias_phase
+    super.presence ||
       GIAS_PHASE_MAPPINGS
         .find { |_, values| values.include?(gias_phase) }
         &.first
-    end
   end
 
   def as_json
@@ -306,13 +322,6 @@ def import_default_programme_year_groups!(programmes, academic_year:)
 
   def organisation_ods_codes = Organisation.pluck(:ods_code)
 
-  GIAS_PHASE_MAPPINGS = {
-    "nursery" => %w[nursery],
-    "primary" => %w[primary middle_deemed_primary],
-    "secondary" => %w[secondary middle_deemed_secondary],
-    "other" => %w[sixteen_plus all_through not_applicable]
-  }.freeze
-
   def fhir_mapper
     @fhir_mapper ||= FHIRMapper::Location.new(self)
   end
diff --git a/app/views/draft_schools/confirm.html.erb b/app/views/draft_schools/confirm.html.erb
index 3f208d2ef2..7dcd98eb28 100644
--- a/app/views/draft_schools/confirm.html.erb
+++ b/app/views/draft_schools/confirm.html.erb
@@ -24,10 +24,14 @@
            {
              name: { link: wizard_path(:details) },
              address: { link: wizard_path(:details) },
+             phase: { link: wizard_path(:phase) },
              year_groups: { link: wizard_path("year-groups") },
            }
          else
-           { year_groups: { link: wizard_path("year-groups") } }
+           {
+             phase: { link: wizard_path(:phase) },
+             year_groups: { link: wizard_path("year-groups") },
+           }
          end
        elsif @draft_school.add_site_context?
          { urn: { link: wizard_path(:school), text: "Change parent school" } }
diff --git a/app/views/draft_schools/phase.html.erb b/app/views/draft_schools/phase.html.erb
new file mode 100644
index 0000000000..01a00592e0
--- /dev/null
+++ b/app/views/draft_schools/phase.html.erb
@@ -0,0 +1,15 @@
+<% content_for :before_main do %>
+  <%= govuk_back_link(href: @back_link_path) %>
+<% end %>
+
+<% legend = "Phase" %>
+<% content_for :page_title, legend %>
+
+<%= form_with model: @draft_school, url: wizard_path, method: :put do |f| %>
+  <%= f.mavis_error_summary %>
+  <%= f.govuk_collection_radio_buttons :phase, @phases, :itself, ->(v) { Location.human_enum_name(:phase, v) },
+                                       legend: { text: legend, size: "l", tag: "h1" },
+                                       caption: { text: @draft_school.name || @draft_school.source_location&.name, size: "l" } %>
+
+  <%= f.govuk_submit "Continue" %>
+<% end %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 1c046e9f31..06c1fbdd3f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -94,6 +94,9 @@ en:
               inclusion: Choose if this is the correct school
             name:
               blank: Enter a name
+            phase:
+              blank: Choose a phase
+              inclusion: Choose a phase
             parent_urn_and_site:
               blank: Choose a school
             selected_year_groups:
@@ -778,6 +781,8 @@ en:
               inclusion: Choose a GIAS phase
             name:
               blank: Enter a name
+            phase:
+              inclusion: Choose a phase
             ods_code:
               blank: Enter an ODS code
               exclusion: This ODS code is not allowed
diff --git a/config/locales/wicked.en.yml b/config/locales/wicked.en.yml
index 882cfc0090..c13e916848 100644
--- a/config/locales/wicked.en.yml
+++ b/config/locales/wicked.en.yml
@@ -38,6 +38,7 @@ en:
     outcome: outcome
     parent: parent
     parent_details: parent-details
+    phase: phase
     programmes: programmes
     programmes_check: programmes-check
     questions: questions
diff --git a/db/migrate/20260422100000_add_phase_to_locations.rb b/db/migrate/20260422100000_add_phase_to_locations.rb
new file mode 100644
index 0000000000..d4e46636eb
--- /dev/null
+++ b/db/migrate/20260422100000_add_phase_to_locations.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddPhaseToLocations < ActiveRecord::Migration[8.0]
+  def change
+    add_column :locations, :phase, :string
+  end
+end
diff --git a/spec/components/app_school_summary_component_spec.rb b/spec/components/app_school_summary_component_spec.rb
index 4430470369..2c8806583e 100644
--- a/spec/components/app_school_summary_component_spec.rb
+++ b/spec/components/app_school_summary_component_spec.rb
@@ -53,6 +53,9 @@
           link: "/address",
           text: "Change address"
         },
+        phase: {
+          link: "/phase"
+        },
         year_groups: {
           link: "/year-groups"
         }
@@ -62,6 +65,7 @@
 
     it { should have_link("Change name", href: "/name") }
     it { should have_link("Change address", href: "/address") }
+    it { should have_link("Change phase", href: "/phase") }
     it { should have_link("Change year groups", href: "/year-groups") }
   end
 
@@ -142,6 +146,12 @@
       expect(rendered).to have_content("Secondary")
     end
 
+    it "shows the selected phase when overridden in the draft" do
+      draft_school.phase = "primary"
+      expect(rendered).to have_content("Primary")
+      expect(rendered).not_to have_content("Secondary")
+    end
+
     it "shows programmes from the underlying location" do
       expect(rendered).to have_content("Programmes")
       expect(rendered).to have_content("HPV")
diff --git a/spec/factories/locations.rb b/spec/factories/locations.rb
index 7723a17e11..35396f56f6 100644
--- a/spec/factories/locations.rb
+++ b/spec/factories/locations.rb
@@ -15,6 +15,7 @@
 #  gias_year_groups          :integer          default([]), not null, is an Array
 #  name                      :text             not null
 #  ods_code                  :string
+#  phase                     :string
 #  position                  :geography        point, 4326
 #  site                      :string
 #  status                    :integer          default("unknown"), not null
diff --git a/spec/features/manage_teams_spec.rb b/spec/features/manage_teams_spec.rb
index 74cc2361e3..991a579a41 100644
--- a/spec/features/manage_teams_spec.rb
+++ b/spec/features/manage_teams_spec.rb
@@ -50,6 +50,10 @@
 
     when_i_confirm_the_school
     and_i_continue
+    then_i_see_the_phase_screen
+
+    when_i_select_a_phase
+    and_i_continue
     then_i_see_the_year_groups_screen
     and_year_groups_are_pre_selected
 
@@ -80,6 +84,10 @@
 
     when_i_fill_in_the_school_site_details
     and_i_continue
+    then_i_see_the_phase_screen
+
+    when_i_select_a_phase
+    and_i_continue
     then_i_see_the_year_groups_screen
     and_year_groups_are_pre_selected
 
@@ -136,6 +144,25 @@
     and_the_site_details_are_updated
   end
 
+  scenario "Editing a school phase" do
+    given_my_team_exists
+
+    when_i_click_on_team_settings
+    when_i_click_on_schools
+
+    when_i_click_on_edit_a_school
+    then_i_see_the_school_summary_with_phase_and_year_groups_links
+
+    when_i_click_on_change_phase
+    and_i_select_a_new_phase
+    and_i_continue
+    then_i_see_the_phase_is_updated
+
+    when_i_click_save_changes
+    then_i_see_the_team_schools
+    and_the_school_phase_is_updated
+  end
+
   scenario "Editing a school" do
     given_my_team_exists
 
@@ -144,7 +171,7 @@
     then_i_see_the_team_schools
 
     when_i_click_on_edit_a_school
-    then_i_see_the_school_summary_with_only_year_groups_link
+    then_i_see_the_school_summary_with_phase_and_year_groups_links
 
     when_i_click_on_change_year_groups
     when_i_try_to_remove_a_year_group
@@ -241,11 +268,13 @@ def then_i_see_the_school_summary_with_edit_links
     expect(page).to have_content("Site B")
     expect(page).to have_link("Change", text: /name/i)
     expect(page).to have_link("Change", text: /address/i)
+    expect(page).to have_link("Change", text: /phase/i)
     expect(page).to have_link("Change", text: /year groups/i)
   end
 
-  def then_i_see_the_school_summary_with_only_year_groups_link
+  def then_i_see_the_school_summary_with_phase_and_year_groups_links
     expect(page).to have_content(@school.name)
+    expect(page).to have_link("Change", text: /phase/i)
     expect(page).to have_link("Change", text: /year groups/i)
     expect(page).not_to have_link("Change", text: /name/i)
     expect(page).not_to have_link("Change", text: /address/i)
@@ -529,4 +558,31 @@ def and_the_school_has_the_correct_year_groups
     @available_school.reload
     expect(@available_school.location_year_groups.pluck(:value)).to include(12)
   end
+
+  def then_i_see_the_phase_screen
+    expect(page).to have_content("Phase")
+    expect(page).to have_field("Primary", type: :radio)
+    expect(page).to have_field("Secondary", type: :radio)
+  end
+
+  def when_i_select_a_phase
+    choose "Secondary"
+  end
+
+  def when_i_click_on_change_phase
+    click_on "Change phase"
+  end
+
+  def and_i_select_a_new_phase
+    choose "Primary"
+  end
+
+  def then_i_see_the_phase_is_updated
+    expect(page).to have_content("Primary")
+  end
+
+  def and_the_school_phase_is_updated
+    @school.reload
+    expect(@school.phase).to eq("primary")
+  end
 end
diff --git a/spec/models/draft_school_spec.rb b/spec/models/draft_school_spec.rb
index ab3a02b813..557d5da3af 100644
--- a/spec/models/draft_school_spec.rb
+++ b/spec/models/draft_school_spec.rb
@@ -209,7 +209,7 @@
 
       it "returns all steps including school selection" do
         expect(draft_school.wizard_steps).to eq(
-          %i[school details year_groups confirm]
+          %i[school details phase year_groups confirm]
         )
       end
     end
@@ -219,7 +219,7 @@
 
       it "returns URN flow steps" do
         expect(draft_school.wizard_steps).to eq(
-          %i[urn confirm_urn year_groups confirm]
+          %i[urn confirm_urn phase year_groups confirm]
         )
       end
     end
@@ -228,7 +228,9 @@
       let(:attributes) { { editing_id: school.id, context: "add_site" } }
 
       it "skips the school selection step" do
-        expect(draft_school.wizard_steps).to eq(%i[details year_groups confirm])
+        expect(draft_school.wizard_steps).to eq(
+          %i[details phase year_groups confirm]
+        )
       end
     end
 
@@ -236,7 +238,9 @@
       let(:attributes) { { editing_id: school.id } }
 
       it "includes only details, year_groups and confirm" do
-        expect(draft_school.wizard_steps).to eq(%i[details year_groups confirm])
+        expect(draft_school.wizard_steps).to eq(
+          %i[details phase year_groups confirm]
+        )
       end
     end
   end
@@ -447,6 +451,7 @@
           "editing_id" => nil,
           "name" => "New Site Name",
           "parent_urn_and_site" => school.urn_and_site,
+          "phase" => nil,
           "selected_year_groups" => [],
           "urn" => nil
         }
@@ -467,6 +472,7 @@
           "editing_id" => nil,
           "name" => nil,
           "parent_urn_and_site" => nil,
+          "phase" => nil,
           "selected_year_groups" => nil,
           "urn" => nil
         }
@@ -621,35 +627,19 @@
     end
   end
 
-  describe "#human_enum_name" do
-    context "when creating a new site" do
-      let(:attributes) { valid_attributes }
-
-      it "delegates to the parent school" do
-        expect(draft_school.human_enum_name(:phase)).to eq(
-          school.human_enum_name(:phase)
-        )
-      end
-    end
-
-    context "when editing an existing site" do
-      let(:existing_site) do
-        create(:gias_school, :primary, urn: school.urn, site: "A")
-      end
-      let(:attributes) { { editing_id: existing_site.id } }
-
-      it "delegates to the location being edited" do
-        expect(draft_school.human_enum_name(:phase)).to eq("Primary")
-      end
-    end
-  end
-
   describe "#readable_attribute_names" do
     let(:attributes) { {} }
 
     it "returns the list of readable attributes" do
       expect(draft_school.readable_attribute_names).to eq(
-        %w[name address_line_1 address_line_2 address_town address_postcode]
+        %w[
+          name
+          address_line_1
+          address_line_2
+          address_town
+          address_postcode
+          phase
+        ]
       )
     end
   end
@@ -659,7 +649,14 @@
 
     it "returns the list of writable attributes" do
       expect(draft_school.writable_attribute_names).to eq(
-        %w[name address_line_1 address_line_2 address_town address_postcode]
+        %w[
+          name
+          address_line_1
+          address_line_2
+          address_town
+          address_postcode
+          phase
+        ]
       )
     end
   end
diff --git a/spec/models/location_spec.rb b/spec/models/location_spec.rb
index 6ac193a507..741ce846d3 100644
--- a/spec/models/location_spec.rb
+++ b/spec/models/location_spec.rb
@@ -15,6 +15,7 @@
 #  gias_year_groups          :integer          default([]), not null, is an Array
 #  name                      :text             not null
 #  ods_code                  :string
+#  phase                     :string
 #  position                  :geography        point, 4326
 #  site                      :string
 #  status                    :integer          default("unknown"), not null
@@ -406,6 +407,14 @@
       it { should eq("other") }
     end
 
+    context "with a phase override" do
+      let(:location) do
+        build(:gias_school, gias_phase: "secondary", phase: "primary")
+      end
+
+      it { should eq("primary") }
+    end
+
     context "with something other than a school" do
       let(:location) { build(:community_clinic) }
 
@@ -433,6 +442,7 @@
           "is_attached_to_team" => false,
           "name" => location.name,
           "ods_code" => location.ods_code,
+          "phase" => nil,
           "position" => [location.position.x, location.position.y],
           "site" => location.site,
           "status" => "unknown",