What is the climax of The Smallest dragon boy by Anne McCaffery?

In "The Smallest Dragon Boy" by Anne McCaffery, the climax occurs when Keevan, despite being underestimated due to his small size, impresses a dragon during the hatching. This moment is pivotal as it not only showcases Keevan's bravery and determination but also challenges the preconceived notions of what a dragon rider should be. His bond with the dragon marks a turning point, affirming that true worth is not defined by size or appearance. This climactic event ultimately leads to Keevan's acceptance and triumph in a world that initially doubted him.