diff --git a/clean-baoshan-schools-2020.csv b/clean-baoshan-schools-2020.csv
index fed280d3b420b47f2d3dc68faf309e30dcecb1c7..6be0f50a2b282395d2855131177a998ad89bf639 100644
--- a/clean-baoshan-schools-2020.csv
+++ b/clean-baoshan-schools-2020.csv
@@ -1,4 +1,5 @@
 serial_no,school_name,total_staff_count,full_time_teacher_count,student_faculty_ratio_raw
+3,上海市宝山实验学校,104,98,01:13
 6,上海市海滨第二中学,67,60,01:08
 8,上海市吴淞实验学校,81,75,01:10
 10,上海市长江第二中学,80,71,01:10
diff --git a/clean2020.py b/clean2020.py
index ee36a7c51ecd4f5b70943ebcaab687d672f5a9bf..23058f08cd022c08edd95d22a3f820e218bc9841 100644
--- a/clean2020.py
+++ b/clean2020.py
@@ -11,14 +11,15 @@ with open("baoshan-schools-2020.csv",mode="r",encoding="utf-8") as file:
 for row in data:
     print(row)
 
-data[0][0]="serial_no"
-data[0][1]="school_name"
-data[0][2]="school_type"
-data[0][14]="total_staff_count"
-data[0][14]="full_time_teacher_count"
-data[0][16]="student_faculty_ratio_raw"
 
+data1=[]
+data1.append("serial_no")
+data1.append("school_name")
+data1.append("total_staff_count")
+data1.append("full_time_teacher_count")
+data1.append("student_faculty_ratio_raw")
 filtered_data=[]
+filtered_data.append(data1)
 for row in data:
     if row[0] !="serial_no":
         filtered_data.append([int(row[0]),row[1],int(row[14]),int(row[15]),row[16]])