To port or move Smart School on new server/hosting/url you have to do change in two files -

1. Open file \application\config\config.php and find line $config['base_url'] = 'http://yourdonamin.com/'; change here to new url name where you want to move Smart School.

2. Open file \application\config\database.php and find following lines -

'hostname' => '',
'username' => '',
'password' => '',
'database' => '',

Change new database details in above lines.