Qualify (The Atlantis Grail Book 1) by Vera Nazarian

Awkward smart girl Gwen must compete in deadly trials against all other Earth teens, including her school crush, in order to Qualify for interplanetary rescue from an asteroid apocalypse, impress her arrogant and blazing-hot commanding officer, and save everyone she loves. High-octane bestselling series for fans of THE HUNGER GAMES, DIVERGENT, FOURTH WING, and ANCIENT ALIENS. Now, optioned for film!