diff --git a/student_management/models/student_student.py b/student_management/models/student_student.py
index 4c5ab24..52975b7 100644
--- a/student_management/models/student_student.py
+++ b/student_management/models/student_student.py
@@ -1,4 +1,5 @@
-from odoo import fields, models, api
+from odoo import fields, models, api, _
+from odoo.exceptions import UserError
 
 class StudentStudent(models.Model):
     _name = 'student.student'
@@ -15,6 +16,20 @@ class StudentStudent(models.Model):
     phone = fields.Char(string='Số điện thoại')
     course_ids = fields.Many2many('student.course', string='Môn học')
 
+    state = fields.Selection([
+        ('draft', 'Draft'),
+        ('confirmed', 'Confirmed'),
+        ('graduated', 'Graduated')
+    ], string='Status', default='draft')
+
+    def action_confirm(self):
+        self.write({'state': 'confirmed'})
+
+    def action_graduate(self):
+        if not self.env.user.has_group('base.group_sysem'):
+            raise UserError(_("Only administrators can graduate students!"))
+        self.write({'state': 'graduated'})
+
     @api.model
     def _generate_student_id(self):
         last_student = self.search([], order='id desc', limit=1)
diff --git a/student_management/views/student_student_views.xml b/student_management/views/student_student_views.xml
index 320adaa..32d741f 100644
--- a/student_management/views/student_student_views.xml
+++ b/student_management/views/student_student_views.xml
@@ -21,6 +21,14 @@
         <field name="model">student.student</field>
         <field name="arch" type="xml">
             <form string="Form học sinh">
+                <header>
+                    <button name="action_confirm" type="object"
+                        string="Confirm" class="btn-primary"
+                        invisible="state != 'draft'" />
+                    <button name="action_graduate" type="object"
+                        string="Graduate" class="btn-success"
+                        invisible="state != 'confirmed'" />
+                </header>
                 <sheet>
                     <group>
                         <group>