What is the climax of the novel out of my mind?

Climax: Melody gets a Medi-talker, which is a programmable machine that allows her to "speak" to people. She loads the device with words, phrases and sentences which then enables her to share her thoughts. It is the first time in her life that she is able to communicate and she feels such freedom. She even tries out for the Whiz Kids team for her school and makes it. Unfortunately, even with her intelligence clearly showing, she still has to deal with insensitivity and discrimination by the other students and even adults in her world.

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