diff --git a/lib/tasks/schools.rake b/lib/tasks/schools.rake
new file mode 100644
index 000000000..f5a66a786
--- /dev/null
+++ b/lib/tasks/schools.rake
@@ -0,0 +1,21 @@
+#coding=utf-8
+
+desc "合并高校的数据,第一个参数是： 正确高校的id, 第二个参数是： 错误高校需要合并到正确高校的id"
+# 命令： bundle exec rake schools:merge_school_data f_school=1 s_school=2,3
+namespace :schools do
+  task merge_school_data: :environment do
+    f_school = ENV['f_school'].to_i
+    school = School.find_by(id: f_school)
+    return if school.blank?
+
+    s_school = ENV['s_school'].split(",")
+    merge_schools = School.where(id: s_school)
+
+    # 改变用户的学校id 和 单位
+    UserExtension.where(school_id: merge_schools)
+        .update_all(school_id: f_school, department_id: nil)
+
+    # 改变课堂的学校id
+    Course.where(school_id: merge_schools).update_all(school_id: f_school)
+  end
+end
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