Oakdale High School finished 11th in the California Academic Decathlon among the 62 schools that competed over the weekend.
Southern California's El Camino High School finished first in the Sacramento competition.
This is the 10th straight year that Oakdale has gone to the state finals.
The decathlon tests students' knowledge in such subjects as economics, mathematics and literature.
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Oakdale earned the right to go to Sacramento after winning the Stanislaus County Academic Decathlon on Feb. 6, topping 14 other high school teams.