Skyward by Brandon Sanderson

In a world where humanity is under constant threat from alien forces, a determined young girl named Spensa dreams of becoming a pilot to defend her people and prove her worth. Despite her father's tarnished legacy as a coward, she fights against societal prejudice and personal doubts to gain entry into flight school. As she trains, Spensa discovers hidden truths about her father's past and uncovers secrets that could change the course of the war. Her journey is one of self-discovery, resilience, and challenging the boundaries of what she thought possible.