diff --git a/DigitalLearningSolutions.Data/DataServices/CourseDataService.cs b/DigitalLearningSolutions.Data/DataServices/CourseDataService.cs
index 325c49b565..c7a48a6028 100644
--- a/DigitalLearningSolutions.Data/DataServices/CourseDataService.cs
+++ b/DigitalLearningSolutions.Data/DataServices/CourseDataService.cs
@@ -22,24 +22,32 @@ public interface ICourseDataService
     public class CourseDataService : ICourseDataService
     {
         private const string DelegateCountQuery =
-            @"(SELECT COUNT(CandidateID)
+            @"(SELECT COUNT(pr.CandidateID)
                 FROM dbo.Progress AS pr
-                WHERE pr.CustomisationID = cu.CustomisationID) AS DelegateCount";
+                INNER JOIN dbo.Candidates AS can ON can.CandidateID = pr.CandidateID 
+                WHERE pr.CustomisationID = cu.CustomisationID
+                AND can.CentreID = @centreId) AS DelegateCount";
 
         private const string CompletedCountQuery =
-            @"(SELECT COUNT(CandidateID)
+            @"(SELECT COUNT(pr.CandidateID)
                 FROM dbo.Progress AS pr
-                WHERE pr.CustomisationID = cu.CustomisationID AND pr.Completed IS NOT NULL) AS CompletedCount";
+                INNER JOIN dbo.Candidates AS can ON can.CandidateID = pr.CandidateID 
+                WHERE pr.CustomisationID = cu.CustomisationID AND pr.Completed IS NOT NULL
+                AND can.CentreID = @centreId) AS CompletedCount";
 
         private const string AllAttemptsQuery =
-            @"(SELECT COUNT(AssessAttemptID)
+            @"(SELECT COUNT(aa.AssessAttemptID)
                 FROM dbo.AssessAttempts AS aa
-                WHERE aa.CustomisationID = cu.CustomisationID AND aa.[Status] IS NOT NULL) AS AllAttempts";
+                INNER JOIN dbo.Candidates AS can ON can.CandidateID = aa.CandidateID
+                WHERE aa.CustomisationID = cu.CustomisationID AND aa.[Status] IS NOT NULL
+                AND can.CentreID = @centreId) AS AllAttempts";
 
         private const string AttemptsPassedQuery =
-            @"(SELECT COUNT(AssessAttemptID)
+            @"(SELECT COUNT(aa.AssessAttemptID)
                 FROM dbo.AssessAttempts AS aa
-                WHERE aa.CustomisationID = cu.CustomisationID AND aa.[Status] = 1) AS AttemptsPassed";
+                INNER JOIN dbo.Candidates AS can ON can.CandidateID = aa.CandidateID
+                WHERE aa.CustomisationID = cu.CustomisationID AND aa.[Status] = 1
+                AND can.CentreID = @centreId) AS AttemptsPassed";
 
         private readonly IDbConnection connection;
         private readonly ILogger<CourseDataService> logger;