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Academics have never been a priority for Bart Simpson (voice of Nancy Cartwright), and when Mrs. Krabappel (voice of Marcia Wallace) hands out a standardized IQ test that will "merely determine your future social stature and financial success," Bart hedges his bets by swiping a test from class brain Martin Prince (voice of Russi Taylor) and putting his name on it. Bart is as surprised as anyone when "his" test results confirm he has a genius IQ (while Martin is revealed to not be especially bright), and suddenly the school's staff decides Bart's rebellious behavior and previous poor grades were merely a product of boredom and dissatisfaction. Bart is transferred from Springfield Elementary to the Enriched Learning Center for Gifted Children, and he discovers his father Homer (voice of Dan Castellaneta) has a new respect and admiration for him. But Bart finds life among the super-intelligent is rough sledding, and his brighter sister Lisa (voice of Yeardley Smith) has a hard time believing her brother is a genius. "Bart the Genius" was first aired on January 14, 1990.