Starstream Academy (The Navigators Book 1)

Rose “Rosie” Mary Jones is just a simple waitress at her father’s diner that caters to human and alien alike when the princess of an alien planet stops by for lunch. After some mayhem from a local gang, Rosie finds herself facing the toughest space biker gang in the universe!
After an amazing win against the gang, Rosie finds herself invited to one of the most prestigious schools in the galaxy. Starstream Military Academy.