Notable has 3 syllables. If something is notable it is useful; profitable, or prudent; clever; capable; industrious; thrifty. It is also described as worthy of notice; remarkable; memorable; noted or distinguished. Is this what you are looking for?
If the title is "After Hours in Kindergarten" then the theme is about what goes on in a kindergarten's experience while in school. It provides the theme and tells you what you’ll be reading about.