Settings page above CPT page in admin section

you can use the menu_order filter hook to change the order

function custom_menu_order($menu_ord) {
       if (!$menu_ord) return true;
       return array('settings_page.php', 'edit.php?post_type=CTP1','edit.php?post_type=CTP2','edit.php?post_type=CTP3');
}

add_filter('custom_menu_order', 'custom_menu_order');
add_filter('menu_order', 'custom_menu_order');