diff --git a/src/IsaacApiTypes.tsx b/src/IsaacApiTypes.tsx
index da235d0d86..d9119d06a3 100644
--- a/src/IsaacApiTypes.tsx
+++ b/src/IsaacApiTypes.tsx
@@ -615,7 +615,7 @@ export interface GroupMembershipDTO {
     created?: Date;
 }
 
-export type Stage = "year_7_and_8" | "year_9" | "gcse" | "a_level" | "further_a" | "university" | "scotland_national_5" | "scotland_higher" | "scotland_advanced_higher" | "core" | "advanced" | "all";
+export type Stage = "year_7_and_8" | "year_9" | "gcse" | "a_level" | "further_a" | "university" | "scotland_national_5" | "scotland_higher" | "scotland_advanced_higher" | "core" | "advanced" | "post_18" | "all";
 
 export type ExamBoard = "aqa" | "cie" | "edexcel" | "eduqas" | "ocr" | "wjec" | "sqa" | "ada" | "all";
 
diff --git a/src/app/components/pages/ExamSpecifications.tsx b/src/app/components/pages/ExamSpecifications.tsx
index eb64fc557c..8b48ebcfc2 100644
--- a/src/app/components/pages/ExamSpecifications.tsx
+++ b/src/app/components/pages/ExamSpecifications.tsx
@@ -79,6 +79,7 @@ export const ExamSpecifications = ({stageFilter, examBoardFilter, title}: ExamSp
         [STAGE.SCOTLAND_ADVANCED_HIGHER]: "Discover our free Advanced Higher computer science topics and questions. Learn or revise for your exams with us today.",
         [STAGE.CORE]: "Discover our free Core computer science topics and questions. Learn or revise for your exams with us today.",
         [STAGE.ADVANCED]: "Discover our free Advanced computer science topics and questions. Learn or revise for your exams with us today.",
+        [STAGE.POST_18]: "Discover our free Post-18 computer science topics and questions. Learn or revise for your exams with us today.", // Not used, but needed for typing
     })[stageTab];
 
     const examBoardTabs = Object.keys(FILTERED_EXAM_BOARDS_BY_STAGE).reduce((acc: {[stage: string]: React.JSX.Element}, stage) => ({
diff --git a/src/app/services/constants.ts b/src/app/services/constants.ts
index c8d263f940..467b92680c 100644
--- a/src/app/services/constants.ts
+++ b/src/app/services/constants.ts
@@ -277,11 +277,12 @@ export enum STAGE {
     SCOTLAND_ADVANCED_HIGHER = "scotland_advanced_higher",
     CORE = "core",
     ADVANCED = "advanced",
+    POST_18 = "post_18",
     ALL = "all",
 }
 export const STAGE_NULL_OPTIONS = [STAGE.ALL];
 export const STAGES_PHY = [STAGE.YEAR_7_AND_8, STAGE.YEAR_9, STAGE.GCSE, STAGE.A_LEVEL, STAGE.FURTHER_A, STAGE.UNIVERSITY] as const;
-export const STAGES_CS = [STAGE.GCSE, STAGE.A_LEVEL, STAGE.SCOTLAND_NATIONAL_5, STAGE.SCOTLAND_HIGHER, STAGE.SCOTLAND_ADVANCED_HIGHER, STAGE.CORE, STAGE.ADVANCED] as const;
+export const STAGES_CS = [STAGE.GCSE, STAGE.A_LEVEL, STAGE.SCOTLAND_NATIONAL_5, STAGE.SCOTLAND_HIGHER, STAGE.SCOTLAND_ADVANCED_HIGHER, STAGE.CORE, STAGE.ADVANCED, STAGE.POST_18] as const;
 export const stagesOrdered: Stage[] = [...siteSpecific(STAGES_PHY, STAGES_CS), STAGE.ALL];
 export const stageLabelMap: {[stage in Stage]: string} = {
     year_7_and_8: "Year\u00A07&8",
@@ -295,6 +296,7 @@ export const stageLabelMap: {[stage in Stage]: string} = {
     scotland_advanced_higher: "Adv Higher",
     core: "Core",
     advanced: "Advanced",
+    post_18: "Post-18",
     all: "All stages",
 };
 
@@ -330,6 +332,7 @@ export const CS_EXAM_BOARDS_BY_STAGE: {[stage in typeof STAGES_CS[number]]: Exam
     scotland_advanced_higher: [EXAM_BOARD.SQA],
     core: [EXAM_BOARD.ADA],
     advanced: [EXAM_BOARD.ADA],
+    post_18: [EXAM_BOARD.ADA],
 };
 
 export const EXAM_BOARD_NULL_OPTIONS = [EXAM_BOARD.ALL];
@@ -470,13 +473,14 @@ export const STAGE_TO_LEARNING_STAGE: {[stage in STAGE]: LearningStage | undefin
     scotland_advanced_higher: "a_level",
     core: "gcse",
     advanced: "a_level",
+    post_18: "university",
 };
 
 export const LEARNING_STAGE_TO_STAGES: {[stage in LearningStage]: STAGE[]} = {
     "11_14": [STAGE.YEAR_7_AND_8, STAGE.YEAR_9],
     gcse: [STAGE.GCSE, STAGE.SCOTLAND_NATIONAL_5, STAGE.CORE],
     a_level: [STAGE.A_LEVEL, STAGE.FURTHER_A, STAGE.SCOTLAND_HIGHER, STAGE.SCOTLAND_ADVANCED_HIGHER, STAGE.ADVANCED],
-    university: [STAGE.UNIVERSITY],
+    university: [STAGE.UNIVERSITY, STAGE.POST_18],
 };
 
 export const HUMAN_STAGES: {[key: string]: string} = {
diff --git a/src/app/services/userViewingContext.ts b/src/app/services/userViewingContext.ts
index 378aeb35b4..cfb44ce323 100644
--- a/src/app/services/userViewingContext.ts
+++ b/src/app/services/userViewingContext.ts
@@ -228,6 +228,7 @@ const _STAGE_ITEM_OPTIONS = siteSpecific([ /* best not to export - use getFilter
     {label: "All Stages (Default)", value: STAGE.ALL},
     {label: "Core", value: STAGE.CORE},
     {label: "Advanced", value: STAGE.ADVANCED},
+    {label: "Post-18", value: STAGE.POST_18},
     {label: "GCSE", value: STAGE.GCSE},
     {label: "A Level", value: STAGE.A_LEVEL},
     {label: "National 5", value: STAGE.SCOTLAND_NATIONAL_5},
@@ -471,8 +472,8 @@ export function audienceStyle(audienceString: string): string {
             case stageLabelMap.scotland_advanced_higher:
                 return "stage-label-advanced";
 
+            case stageLabelMap.post_18:
             case stageLabelMap.scotland_higher:
-                // Scotland higher has a unique styling
                 return "stage-label-higher";
 
             default:
@@ -508,14 +509,15 @@ export function stringifyAudience(audience: ContentDTO["audience"], userContext:
         // - Advanced Higher
         // with intra-group separation by commas, inter-group separation by newlines
 
-        const coreOrAdvanced =  audienceStages.includes(STAGE.CORE) ? [STAGE.CORE] : [STAGE.ADVANCED];
-        const defaultStage = (audienceStages.includes(STAGE.CORE) && audienceStages.includes(STAGE.ADVANCED)) ? [STAGE.CORE, STAGE.ADVANCED] : coreOrAdvanced;
+        const adaStages = [STAGE.CORE, STAGE.ADVANCED, STAGE.POST_18];
+        const adaAudienceStages = audienceStages.filter(s => adaStages.includes(s as STAGE));
+
         stagesToView = userContext.hasDefaultPreferences || !intendedAudience
-            ? defaultStage
+            ? adaAudienceStages
             : stagesFilteredByUserContext.length > 0
                 ? stagesFilteredByUserContext
-                // only show Core and Advanced intentionally
-                : audienceStages.filter(s => ![STAGE.CORE, STAGE.ADVANCED].includes(s as STAGE));
+                // only show Ada exam board stages intentionally
+                : audienceStages.filter(s => !adaStages.includes(s as STAGE));
 
         const result = stagesToView.reduce((acc, label) => {
             if ([STAGE.GCSE, STAGE.A_LEVEL].includes(label as STAGE)) {
@@ -524,7 +526,7 @@ export function stringifyAudience(audience: ContentDTO["audience"], userContext:
                 acc[1].push(label);
             } else if ([STAGE.SCOTLAND_ADVANCED_HIGHER].includes(label as STAGE)) {
                 acc[2].push(label);
-            } else if ([STAGE.CORE, STAGE.ADVANCED].includes(label as STAGE)) {
+            } else if (adaStages.includes(label as STAGE)) {
                 acc[3].push(label);
             }
             return acc;
diff --git a/src/mocks/data.ts b/src/mocks/data.ts
index ff75256957..9c0fe67763 100644
--- a/src/mocks/data.ts
+++ b/src/mocks/data.ts
@@ -4929,6 +4929,9 @@ export const mockConceptPage =
                         "id": "_mock_accordion_",
                         "audience": [
                             {
+                                "examBoard": [
+                                    "aqa"
+                                ],
                                 "stage": [
                                     "a_level"
                                 ]
diff --git a/src/test/pages/Concept.cy.tsx b/src/test/pages/Concept.cy.tsx
index c176d505b5..dda76923f7 100644
--- a/src/test/pages/Concept.cy.tsx
+++ b/src/test/pages/Concept.cy.tsx
@@ -1,11 +1,16 @@
 import React from "react";
 import { Concept } from "../../app/components/pages/Concept";
+import { isAda } from "../../app/services";
 
 it('Concept pages should have no visual regressions', () => {
 
     // @ts-ignore
     cy.mountWithStoreAndRouter(<Concept conceptIdOverride="_mock_concept_page_"/>, ["/concepts/_mock_concept_page_"]);
 
+    if (isAda) {
+        cy.get('select[id="uc-exam-board-select"]').select('All Exam Boards');
+    }
+
     cy.get('[data-testid="loading"]').should('not.exist');
 
     // open accordion
diff --git a/src/test/pages/__image_snapshots__/ada/Concept pages should have no visual regressions #0.png b/src/test/pages/__image_snapshots__/ada/Concept pages should have no visual regressions #0.png
index bcce992e1d..2e411097c6 100644
Binary files a/src/test/pages/__image_snapshots__/ada/Concept pages should have no visual regressions #0.png and b/src/test/pages/__image_snapshots__/ada/Concept pages should have no visual regressions #0.png differ
diff --git a/src/test/pages/__image_snapshots__/ada/Question finder page should have no visual regressions #0.png b/src/test/pages/__image_snapshots__/ada/Question finder page should have no visual regressions #0.png
index 25679cdbe4..799fedc124 100644
Binary files a/src/test/pages/__image_snapshots__/ada/Question finder page should have no visual regressions #0.png and b/src/test/pages/__image_snapshots__/ada/Question finder page should have no visual regressions #0.png differ