Why should I take Honors classes in high school?

So, I've heard from different people that Honors classes are a must, but I'm not fully convinced. What are the real benefits of taking these classes? Is it just for the GPA boost, or is there more to it?

Honors classes are a fantastic way to challenge yourself academically, and they signal to colleges that you're willing to push beyond the basics. But beyond the GPA aspect, honors courses often explore subjects in greater depth and with more complexity, which can better prepare you for college-level work. It's not just about the boost to your GPA; it's also about developing critical thinking and analytical skills that will be invaluable in your higher education journey. Plus, being surrounded by motivated peers can lead to a more engaging and enriching classroom discussion. In addition, demonstrating a history of taking honors classes can be advantageous when you're trying to reach that Academic Index threshold for selective colleges. Lastly, the skills you gain can assist in developing your 'spike'—showing colleges you have a specialty in a particular area. For example, if you're strong in and passionate about science, taking honors courses in biology, chemistry, and physics can underscore your commitment to that field.