WP, function.php: Register, Deregister & Enqueue scripts short
if (!is_admin()) add_action( 'wp_enqueue_scripts', 'my_jquery_enqueue', 11 );
function my_jquery_enqueue() {
wp_deregister_script( 'jquery' );
wp_register_script( 'jquery', get_template_directory_uri() . '/js/jquery.js', false, null );
wp_enqueue_script( 'jquery' );
}