- Проверяем

common/modules/school/assets/js/school.js

@@ -150,6 +150,8 @@ $(document).ready(function() {
         type: 'inline',
         preloader: false
     });
+
+    $('#registration_form').on('click', function() {alert('asd');});
 }); 
  
 // pre-submit callback 

common/modules/users/forms/RegistrationUserPopupForm.php

@@ -2,10 +2,9 @@
 
 use common\modules\users\models\User;
 $elements = [
-    
     'open_form_reg' => '<div class="registration_form_left form_resp">',
     'errors_reg' => '<div class="errors-reg_popup"></div>',
-    'name'	=> ['type' => 'text', 'placeholder'=>"Ваше имя*", 'options'=>['label'=>false], 
+    'name'	=> ['type' => 'text', 'placeholder'=>"Ваше имя*", 'options'=>['label'=>false],
         'inputOptions'=>['class'=>'input_st field-input required alphanumeric']],
     'email' => ['type' => 'text', 'placeholder'=>"E-mail*", 'options'=>['label'=>false],
         'inputOptions'=>['class'=>'input_st field-input required email']],
@@ -18,7 +17,7 @@ $elements = [
     'occupation' => [
         'type' => 'dropdownlist',
         'items' => User::$occupation_list,
-        'placeholder'=>"Чем вы занимаетесь", 
+        'placeholder'=>"Чем вы занимаетесь",
         'options'=>['label'=>false],
         'empty'=>'Чем вы занимаетесь',
         'inputOptions'=>['class'=>'input_st field-input required alphanumeric']