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The Highest Iq ever scored was a 228 by Mary Savil, Dr. Jarvik's Wife. The highest estimated IQ was William James Sidis, who was estimated to have an IQ of 250-300. Most people do not count IQ scores of people under 18, since it is not accurate-A few people had IQ scores at 500 at the age of 3. Since I am 13 years old, my IQ doesn't count, but I have an IQ of 289.

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16y ago

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