What does an IQ of 103 mean?

Above the average on the reference scale, at approximately percentile 57.93.

IQ score
103
Percentile
57.93
At or above
42.07%
557085100115130145103
Normal reference · mean 100 · SD 15

Normal reference · mean 100 · SD 15. These are calculated values, not observed starp population ranks.

Where 103 sits on the IQ scale

A score of 103 is 3 points above the mean. Dividing by the standard deviation gives (103 − 100) ÷ 15 = 0.2. The normal cumulative distribution converts that standardized position into percentile 57.93.

This lies in the upper half of the central 85–115 interval. It is above the scale mean, but the total alone does not identify a particular strength in memory, numbers or spatial reasoning.

How common is a score of 103?

Approximately 42.07% of this model lies at or above 103—about 1 in 2. This is a cumulative share, not the chance of scoring exactly 103. A continuous model does not assign a positive probability to one exact value.

Compared with IQ 100, the reference percentile is 7.93 percentage points higher. Equal IQ-point gaps do not create equal percentile gaps: the middle of the bell curve contains more area than its ends.

Compare nearby scores

IQ scorePercentileAt or above
9844.755.3%
10357.9342.07%
10870.3129.69%

Compare 98 and 103 or calculate 103 on another scale. A small difference between test results is not automatically a meaningful change.

How this relates to starp

starp's current scoring map does not produce exactly 103. Its neighboring results are 100 for 22 correct answers and 104 for 23 correct answers out of 30. This guide explains the conventional scale value 103; it does not invent an intermediate starp result.

See the scoring method and how raw scores differ from IQ estimates.

Questions about IQ 103

Is 103 a good IQ score?

103 is above the reference mean of 100. It is a higher score on that scale, but a number alone cannot establish a specific skill profile or predict success.

What percentile is an IQ of 103?

On a normal scale with mean 100 and standard deviation 15, 103 corresponds to approximately percentile 57.93. Around 42.07% of that model lies at or above it. Use an assessment's own norms for an actual reported rank.

Does an IQ of 103 mean 103% correct?

No. IQ is a scaled score. Percentage correct depends on the questions and scoring rules; percentile describes a relative position. These three quantities are not interchangeable.

Method: NIST's normal-distribution formula. Percentiles here are calculated reference values, not observed starp population ranks. About starp scoring.