Qualify (The Atlantis Grail Book 1) by Vera Nazarian

Earth is doomed. A killer asteroid is coming.
Qualify for rescue… or die!
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Nerd, geek, klutz, and awkward smart girl Gwen Lark must compete in deadly trials against all other Earth teens, including her arrogant high school crush, in order to Qualify for interplanetary rescue from an asteroid apocalypse. Can she save everyone she loves and impress her arrogant commanding officer?
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A high-octane dystopian thriller from a Nebula Award Finalist, in the vein of THE HUNGER GAMES, DIVERGENT, FOURTH WING, and ANCIENT ALIENS. Optioned for film!