It depends. Some people find Duolingo stories quite useful as they offer real-life language scenarios. But for others, they might not be as interesting or challenging. It varies from person to person.
Grammar knowledge can also be enhanced. Through the sentences in the stories, we can see how grammar rules are applied in real - life - like situations. This is more effective than just learning grammar rules in isolation.
I think you might have to explore different menus or sections within the new Duolingo. Sometimes they could be under a specific category or labeled differently than you expect.
Yes. Duolingo for Schools offers a variety of stories to help students improve their language skills. These stories are designed to be engaging and educational.
I'm not exactly sure, as the number might change over time. But you can check on the Duolingo app or their official website for the most accurate count.