diff --git a/block_alerts.php b/block_alerts.php
index b5c327e..aa7b196 100644
--- a/block_alerts.php
+++ b/block_alerts.php
@@ -77,19 +77,46 @@ public function get_content(): stdClass {
         return $this->content;
     }
 
+     /**
+     * Return if user has archetype editingteacher.
+     *
+     */
+    public static function is_teacher(): bool {
+        global $DB, $USER;
+        // Get id's from role where archetype is editingteacher.
+        $roles = $DB->get_fieldset('role', 'id', ['archetype' => 'editingteacher']);
+
+        // Check if user has editingteacher role on any courses.
+        list($roles, $params) = $DB->get_in_or_equal($roles, SQL_PARAMS_NAMED);
+        $params['userid'] = $USER->id;
+        $sql = "SELECT id
+                FROM {role_assignments}
+                WHERE userid = :userid
+                AND roleid $roles";
+        return  $DB->record_exists_sql($sql, $params);
+    }
+
     /**
      *  Get the alerts.
      *
      * @return array alerts items.
      */
     public function fetch_alert(): array {
+        // Staff only check.
+        if (get_config('block_alerts', 'staffonly')) {
+           if (!self::is_teacher()) {
+            return []; // Don't ouput for learners.
+           }
+        }
+
         // Template data for mustache.
         $template = new stdClass();
 
         // Get alert content.
         $alert = new stdClass();
-        $alert->description = get_config('block_alerts', 'description');
+        $alert->staffonly = get_config('block_alerts', 'staffonly');
         $alert->title = get_config('block_alerts', 'title');
+        $alert->description = get_config('block_alerts', 'description');
         $alert->link = get_config('block_alerts', 'link');
         $alert->linktext = get_config('block_alerts', 'linktext');
 
diff --git a/lang/en/block_alerts.php b/lang/en/block_alerts.php
index 89ce66b..680ee64 100644
--- a/lang/en/block_alerts.php
+++ b/lang/en/block_alerts.php
@@ -34,4 +34,5 @@
 $string['linktext_help'] = 'A meaningful link title. Do not use inaccessible link text such as "click here" or "read more".';
 $string['pluginname'] = 'Alerts';
 $string['privacy:metadata'] = 'Alerts does not store any personal data.';
+$string['staffonly'] = "Staff only";
 $string['title'] = 'Title';
diff --git a/settings.php b/settings.php
index cef57f5..8b5d783 100644
--- a/settings.php
+++ b/settings.php
@@ -29,12 +29,18 @@
 
         $default = '';
 
+        // Staff only.
+        $setting = new admin_setting_configcheckbox('block_alerts/staffonly',
+            get_string('staffonly', 'block_alerts'), '', 0);
+        $settings->add($setting);
+
         // Title.
         $setting = new admin_setting_configtext('block_alerts/title',
             get_string('title', 'block_alerts'),
             '',
             $default,
-            PARAM_RAW
+            PARAM_RAW,
+            '140'
         );
         $settings->add($setting);
 
@@ -43,7 +49,8 @@
             get_string('description', 'block_alerts'),
             get_string('description_help', 'block_alerts'),
             $default,
-            PARAM_RAW
+            PARAM_RAW,
+            '140'
         );
         $settings->add($setting);
 
@@ -52,7 +59,7 @@
             get_string('link', 'block_alerts'),
             get_string('link_help', 'block_alerts'),
             $default,
-            PARAM_RAW
+            PARAM_RAW,
         );
         $settings->add($setting);