diff --git a/tools/run_tests/performance/bq_upload_result.py b/tools/run_tests/performance/bq_upload_result.py
index fbccf3bdcab..2a99499843a 100755
--- a/tools/run_tests/performance/bq_upload_result.py
+++ b/tools/run_tests/performance/bq_upload_result.py
@@ -118,6 +118,8 @@ def _flatten_result_inplace(scenario_result):
   for stats in scenario_result['clientStats']:
     stats['latencies'] = json.dumps(stats['latencies'])
   scenario_result['serverCores'] = json.dumps(scenario_result['serverCores'])
+  scenario_result['clientSuccess'] = json.dumps(scenario_result['clientSuccess'])
+  scenario_result['serverSuccess'] = json.dumps(scenario_result['serverSuccess'])
 
 
 def _populate_metadata_inplace(scenario_result):
diff --git a/tools/run_tests/performance/scenario_result_schema.json b/tools/run_tests/performance/scenario_result_schema.json
index 03254147571..6bec21df397 100644
--- a/tools/run_tests/performance/scenario_result_schema.json
+++ b/tools/run_tests/performance/scenario_result_schema.json
@@ -198,5 +198,15 @@
         "mode": "NULLABLE"
       }
     ]
+  },
+  {
+    "name": "clientSuccess",
+    "type": "STRING",
+    "mode": "NULLABLE"
+  },
+  {
+    "name": "serverSuccess",
+    "type": "STRING",
+    "mode": "NULLABLE"
   }
 ]