IQ 157

157 sits 12 points past the three standard deviation mark and 3 below 160, where most tests top out. You would outscore 99.99% of people.

Highly gifted is mostly an education term. For a child it usually signals needing more than standard enrichment, such as acceleration or specialist teaching.

People this rare can find it takes effort to meet intellectual peers. University departments, clubs and communities built around hard problems help.

There is no single experience of a 157. The points below are patterns often described by people in this range and by those who teach them, not a checklist.

• Perfectionism and overthinking come up often in first-hand accounts.
• In children, reasoning can run years ahead of age while emotional and physical development stay on schedule. Educators call this asynchrony.
• None of this is guaranteed. Many people at this level feel ordinary most of the time.

Major adult tests are normed on samples of a couple of thousand people. In a 2,200-person norm sample, the bell curve expects about 0.2, less than one person, at 157 or higher, so the top of the scale rests partly on extrapolation.

Scale matters too. If your 157 was reported on an SD 24 scale, it is about 136 on the usual SD 15 scale, and on an SD 16 scale about 153.

Online scores this high deserve extra caution. Short tests have few very hard questions, so luck on one or two of them can decide whether you see 152 or 157.

Scoring 157 or higher is a 0.0072% share of everyone. Scaled up to whole populations, that works out as:

Going from 152 to 157 makes a score 3.6 times rarer, and going on to 162 multiplies the rarity by another 4. Near 157, each single point adds about 31% to the rarity.

What your 157 could really be. Treat any single score as the centre of a range. For a good supervised test, about 5 points either side is typical, so 157 really means somewhere from 152 to 162. Online tests are less precise than that.

Which scale was it on? A 157 reported on an SD 16 scale converts to about 153 on the usual SD 15 scale, and one from an SD 24 scale (seen in some Cattell-style results) to about 136. Check which scale your score report used.

Scientists, composers and philosophers often receive estimates in this range. These sit near 157. Every figure below is a retrospective estimate, not a measured score. Open a profile to see the evidence and how confident anyone can be.

The scores one and five points either side of 157, plus the round numbers from 100 to 150, side by side. Tap any score for its full page.

People with an IQ of 157 typically score about 1600 on the SAT and about 36 on the ACT composite. Scores vary a lot from person to person, so the range shows where about four in five land.