Show posts of parent in edit.php

If you are using just using 4 posts, I think that schools would better be suited as taxonomy terms rather than a post type. Associate your Posts with the school tax term. I would then create custom templates for each of those terms.

  • taxonomy-schools-cambridge.php
  • taxonomy-schools-teeside.php
  • taxonomy-schools-newcastle.php
  • taxonomy-schools-sunderland.php

Within those templates, use a WP_Query object to surface those posts. Read more about WP_Query taxonomy parameters here.

Your URLs would still be /schools/sunderland/ etc…

This seems like an easier out-of-the-box approach rather than creating new functions to do the same thing. Though, this comes down to UI preference at the end of the day.

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