diff --git a/src/rred_reports/reports/schools.py b/src/rred_reports/reports/schools.py
index 9e77e30f..dd6f1225 100644
--- a/src/rred_reports/reports/schools.py
+++ b/src/rred_reports/reports/schools.py
@@ -108,10 +108,12 @@ def filter_by_entry_and_exit(school_dataframe: pd.DataFrame, report_year: int) -
     """
     report_start, report_end = trial_period_dates(report_year)
 
-    return school_dataframe.loc[
-        ((school_dataframe["entry_date"] > report_start) & (school_dataframe["entry_date"] < report_end))
-        | ((school_dataframe["exit_date"] > report_start) & (school_dataframe["exit_date"] < report_end))
-    ]
+    return (
+        school_dataframe.loc[
+            ((school_dataframe["entry_date"] > report_start) & (school_dataframe["entry_date"] < report_end))
+            | ((school_dataframe["exit_date"] > report_start) & (school_dataframe["exit_date"] < report_end))
+        ]
+    ).sort_values(by=["rred_user_id", "entry_year"])
 
 
 def filter_for_three_four(school_dataframe: pd.DataFrame, report_year: int) -> pd.DataFrame:
@@ -128,7 +130,9 @@ def filter_for_three_four(school_dataframe: pd.DataFrame, report_year: int) -> p
 
     outcome_filtered = school_dataframe[(school_dataframe["exit_outcome"].isin(["Discontinued", "Referred to school"]))]
 
-    return outcome_filtered[(outcome_filtered["exit_date"] > report_start) & (outcome_filtered["exit_date"] < report_end)]
+    return (outcome_filtered[(outcome_filtered["exit_date"] > report_start) & (outcome_filtered["exit_date"] < report_end)]).sort_values(
+        by=["rred_user_id", "entry_year"]
+    )
 
 
 def filter_six(school_dataframe: pd.DataFrame, report_year: int) -> pd.DataFrame:
@@ -145,10 +149,12 @@ def filter_six(school_dataframe: pd.DataFrame, report_year: int) -> pd.DataFrame
 
     outcome_filtered = school_dataframe[(school_dataframe["exit_outcome"].isin(["Discontinued", "Referred to school"]))]
 
-    return outcome_filtered[
-        ((outcome_filtered["month3_testdate"] > report_start) & (outcome_filtered["month3_testdate"] < report_end))
-        | ((outcome_filtered["month6_testdate"] > report_start) & (outcome_filtered["month6_testdate"] < report_end))
-    ]
+    return (
+        outcome_filtered[
+            ((outcome_filtered["month3_testdate"] > report_start) & (outcome_filtered["month3_testdate"] < report_end))
+            | ((outcome_filtered["month6_testdate"] > report_start) & (outcome_filtered["month6_testdate"] < report_end))
+        ]
+    ).sort_values(by=["rred_user_id", "entry_year"])
 
 
 def summary_table(school_df: pd.DataFrame, report_year: int) -> pd.DataFrame: