Index: lams_central/src/java/org/lamsfoundation/lams/util/IndexUtils.java
===================================================================
diff -u -re76fd654d97033acef2c7bbe4c0def48e37f79f3 -r5c85cfda092e7e27ab618e86469821a4587f3849
--- lams_central/src/java/org/lamsfoundation/lams/util/IndexUtils.java	(.../IndexUtils.java)	(revision e76fd654d97033acef2c7bbe4c0def48e37f79f3)
+++ lams_central/src/java/org/lamsfoundation/lams/util/IndexUtils.java	(.../IndexUtils.java)	(revision 5c85cfda092e7e27ab618e86469821a4587f3849)
@@ -55,9 +55,11 @@
 			}
 		}
 		
-		// append lesson beans not mentioned in orderedLessonIds
+		// prepend lesson beans not mentioned in orderedLessonIds
 		if (!map.values().isEmpty()) {
-			orderedList.addAll(map.values());
+			for (Object obj : map.values()) {
+				orderedList.add(0, (IndexLessonBean)obj);
+			}
 		}
 		
 		return orderedList;
Index: lams_common/src/java/org/lamsfoundation/lams/lesson/service/LessonService.java
===================================================================
diff -u -rfdca3605f0b782b19e214abbe94df6f4a457b88e -r5c85cfda092e7e27ab618e86469821a4587f3849
--- lams_common/src/java/org/lamsfoundation/lams/lesson/service/LessonService.java	(.../LessonService.java)	(revision fdca3605f0b782b19e214abbe94df6f4a457b88e)
+++ lams_common/src/java/org/lamsfoundation/lams/lesson/service/LessonService.java	(.../LessonService.java)	(revision 5c85cfda092e7e27ab618e86469821a4587f3849)
@@ -25,12 +25,12 @@
 package org.lamsfoundation.lams.lesson.service;
 
 import java.util.Collection;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 
 import org.apache.log4j.Logger;
 import org.lamsfoundation.lams.dao.IBaseDAO;
@@ -649,7 +649,7 @@
 		}
 		
 		public Map<Long, IndexLessonBean> getLessonsByOrgAndUserWithCompletedFlag(Integer userId, Integer orgId, boolean isStaff) {
-			HashMap<Long, IndexLessonBean> map = new HashMap<Long, IndexLessonBean>();
+			TreeMap<Long, IndexLessonBean> map = new TreeMap<Long, IndexLessonBean>();
 	        List list = this.lessonDAO.getLessonsByOrgAndUserWithCompletedFlag(userId, orgId, isStaff);
 	        if (list != null) {
 	        	Iterator iterator = list.iterator();