WordPress – New template not showing up in Template dropdown

If you have disabled or removed the style.css from the template directory then also it will not work.

So there must be the style.css on template directory then the templates directory will be shown. When you try to remove the style.css from the template directory or using style.css from css folder, then you must be put one style.css on template directory.

Thanks

I can't duplicate what you're seeing with a clean install of WordPress 3.3.1. I have a theme with just two files, style.css, containing:

/*
Theme Name:     stackoverflow-8946077
Template:       twentyeleven
Version:        0.0.1
*/
@import url("../twentyeleven/style.css");

and coming-soon.php, containing:

<?php
 /*
  Template Name: Coming Soon
 */

get_header();
?><h1>Coming Soon</h1><?php
get_footer();
?>

the first part of which was copied from your question.

I see the template as expected:

The only things I can think of are to double-check:

• the file exists on the server you're running on
• the file's in the child template's directory (though it should work if it's in the twentyeleven directory)
• there's no file with the same name in the twentyeleven directory, which (I think) would take precedence
• the file name ends in .php
• you only have a single space between "Template" and "Name:" (the regex used contains the literal Template Name:)

Failing that, the dropdown is populated by the get_page_templates function in wp-admin/includes/theme.php. Might be worth sticking some debug code in there to see if the $templates variable includes coming-soon.php.