One little addition, if "Combo List" is selected for how the items will be displayed on the site's front page, you need to add this line in your theme's css:
#frontpage-category-combo .coursebox[data-courseid="27"] { display: none; }
One little addition, if "Combo List" is selected for how the items will be displayed on the site's front page, you need to add this line in your theme's css:
#frontpage-category-combo .coursebox[data-courseid="27"] { display: none; }