what is the climax of No talking by Andrew clement?

The climax of No Talking by Andrew Clements occurs when Dave, the main character, is caught talking in class and is sent to the principal's office. He is then given two choices: either spend a week in detention or create an original project that will help him to understand the importance of communication. Dave chooses the project and begins to work on it. He interviews students and teachers and learns about the different ways that people communicate. He also discovers that there are many people who have difficulty communicating, such as those who are deaf or have speech impairments. Through his project, Dave learns the importance of communication and realizes that even when it is difficult, it is essential for people to be able to express themselves.