IQ Score Guide / 127
Is 127 a Good IQ Score?
What an IQ of 127 means, where it ranks, and what it tells you about cognitive ability.
What an IQ of 127 means
You are in the top 9% cognitively. This is the range where elite university students cluster, and where complex differentiation in demanding professional fields — law, medicine, engineering, research — becomes clearly visible.
Careers that commonly score in this range
Notable people reportedly in this range
All figures are estimates or reported by third-party sources — none are clinically verified.
George W. Bush
43rd US President — Yale and Harvard Business School graduate. Analysis of his 1206 SAT score (1964 scale) using the Frey-Detterman correlation estimates his IQ at approximately 120–125.
Oprah Winfrey
Media executive, actress, and philanthropist — Tennessee State University graduate and one of the most successful self-made entrepreneurs in US history. Published profiles estimate her IQ at approximately 115–120, with particular strength in emotional and interpersonal intelligence.
J.K. Rowling
Author of the Harry Potter series — University of Exeter graduate in French and Classics. Published assessments estimate her IQ at approximately 128–136, consistent with the internal consistency and narrative complexity of a seven-volume fictional universe.
Colin Powell
Former US Secretary of State and Chairman of the Joint Chiefs — CCNY graduate and career military officer. IQ widely cited at approximately 127–132 in published assessments of senior military and political leadership cognitive profiles.
Recommended reading for this score range
Thinking, Fast and Slow
Daniel Kahneman
How cognitive biases affect even high-IQ decision-makers — and the research-backed fixes.
View on Amazon →
Peak: Secrets from the New Science of Expertise
Anders Ericsson
The science of deliberate practice — how superior performers keep improving beyond raw ability.
View on Amazon →
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