diff --git a/PoliNetwork.Graduatorie.Parser/Objects/Json/Indexes/Specific/BySchoolYearCourseJson.cs b/PoliNetwork.Graduatorie.Parser/Objects/Json/Indexes/Specific/BySchoolYearCourseJson.cs
index 900968e6..f7f51b21 100644
--- a/PoliNetwork.Graduatorie.Parser/Objects/Json/Indexes/Specific/BySchoolYearCourseJson.cs
+++ b/PoliNetwork.Graduatorie.Parser/Objects/Json/Indexes/Specific/BySchoolYearCourseJson.cs
@@ -145,7 +145,8 @@ private static SingleCourseJson CreateCourseJson(Ranking ranking, CourseTable co
             BasePath = basePath,
             Year = ranking.Year,
             School = ranking.School,
-            Location = course.Location
+            Location = course.Location,
+            RankingOrder = ranking.RankingOrder
         };
     }
 
diff --git a/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/Ranking.cs b/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/Ranking.cs
index eb23b7dd..4a4fad20 100644
--- a/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/Ranking.cs
+++ b/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/Ranking.cs
@@ -18,7 +18,7 @@ namespace PoliNetwork.Graduatorie.Parser.Objects.RankingNS;
 
 [Serializable]
 [JsonObject(MemberSerialization.Fields, NamingStrategyType = typeof(CamelCaseNamingStrategy))]
-public class Ranking
+public class Ranking : IComparable<Ranking>
 {
     public List<CourseTable>? ByCourse;
     public MeritTable? ByMerit;
@@ -35,6 +35,14 @@ public RankingSummaryStudent GetRankingSummaryStudent()
         return new RankingSummaryStudent(RankingOrder?.Phase, School, Year, Url);
     }
 
+    public int CompareTo(Ranking? other)
+    {
+        if (ReferenceEquals(this, other)) return 0;
+        if (ReferenceEquals(null, other)) return 1;
+        
+        return string.Compare(GetId(), other.GetId(), StringComparison.Ordinal);
+    }
+
 
     /***
      * Ottieni l'hash senza considerare il valore di LastUpdate