Sure, here is a revised version of the text:

"Conversation skills are essential for effective communication. Unfortunately, schools often don't teach manners, etiquette, and proper communication. That's why a manners class for children is so valuable. In this two-week course, students will learn how to greet others, make introductions, start and maintain conversations, and leave a positive impression. The course uses slides, videos, interactive lectures, and activities to engage students....