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Education & Testing

Admissions exams, gifted programs, national score reports and school testing policy, explained without the spin from either side.

16 storiesSources listed on every story
16 stories published
ISEE Scores Explained: Scaled Scores, Stanines and the IQ Question
Education & Testing

ISEE Scores Explained: Scaled Scores, Stanines and the IQ Question

The ISEE reports four section scores of 760 to 940, a percentile and a stanine for each, and no total or pass mark. Its maker never calls it an IQ test, and its percentiles compare a child with other private-school applicants.

7 min read
UCAT Scores Explained: Deciles, Bands and the IQ Question
Education & Testing

UCAT Scores Explained: Deciles, Bands and the IQ Question

The 2025 mean total was 1891 out of 2,700 and the 2026 preliminary mean is 1970, but no source converts a UCAT score to IQ. The Consortium's own table puts a total of 2100 at the 80th percentile of applicants.

8 min read
CAT4 Scores Explained: SAS, Stanines and What a Good Score Is
Education & Testing

CAT4 Scores Explained: SAS, Stanines and What a Good Score Is

GL Assessment prints CAT4 results as a Standard Age Score with an average of 100 and a standard deviation of 15, then folds them into stanines. Its own table starts the top 4 per cent at 127, while one school policy calls the same score the top 5.

7 min read
11+ Standardised Scores vs IQ: Why a 121 Is Not an IQ of 121
Education & Testing

11+ Standardised Scores vs IQ: Why a 121 Is Not an IQ of 121

Buckinghamshire says a standardised score of 121 qualifies a child and expects about 37% of children to reach it. On an IQ-style curve, 121 is the top 8%.

7 min read
Average IQ at MIT, Oxford and Yale: What the Scores Imply
Education & Testing

Average IQ at MIT, Oxford and Yale: What the Scores Imply

None of the three publishes an IQ figure. MIT and Yale do publish SAT scores, which support an estimate near 130 for the middle student. Oxford uses no SAT at all.

6 min read
Working Memory and Maths Underachievement: The Data
Education & Testing

Working Memory and Maths Underachievement: The Data

A 2022 meta-analysis of 46 studies and more than 11,000 children finds a real but moderate link between working memory and arithmetic, and the two kinds of working memory matter differently as children get older.

4 min read
Does IQ Matter for JEE? What the Evidence Actually Shows
Education & Testing

Does IQ Matter for JEE? What the Evidence Actually Shows

JEE candidates never take a standardized IQ test, so no study has directly measured the correlation. Here is what decades of research on ability and exam performance say instead — and what a 2026 analysis of JEE's own questions found about how reasoning-heavy the exam really is.

5 min read
Chart: a bell curve of IQ scores with the middle two-thirds of a measured Harvard sample shaded from about 118 to 140 around its mean of 129.4, well short of the 145 figure often quoted
Education & Testing

Average IQ of Harvard Students: What the SAT Data Implies

Harvard does not test its students' IQ, but it does publish their SAT scores, and one study gave 184 Harvard students a short Wechsler IQ test. Both routes land in the same place: an average close to 130, not the 145 or higher that circulates online.

7 min read
WISC-V Index Scores Explained: What the Five Numbers Mean
Education & Testing

WISC-V Index Scores Explained: What the Five Numbers Mean

A WISC-V report does not hand back one score. It hands back six — and the headline Full Scale IQ is built from a specific seven of ten subtests, not an average of all five indexes.

5 min read
Universal Screening Finds the Gifted Students Teacher Referral Misses
Education & Testing

Universal Screening Finds the Gifted Students Teacher Referral Misses

When a large Florida district began testing every second grader instead of waiting for a teacher's nomination, the population it identified as gifted changed sharply — not because more students became capable, but because fewer of them had ever been tested at all.

6 min read
Education & Testing

Why a CogAT 132 and an NNAT 132 Are Not the Same Score

The two tests American schools use most to screen for gifted programmes print their results on scales that differ by one point of standard deviation. At the level where cutoffs are set, that moves the same printed number by most of a percentile.

8 min read
Education & Testing

Taking an IQ Test in a Second Language: Does It Lower Your Score?

Verbal subtests measure ability through vocabulary and cultural knowledge acquired in one language, so a test taken in a second language can understate ability on those subtests specifically — not on the test as a whole.

5 min read
Education & Testing

Falling Reading Scores Are Not Falling IQ. Here Is the Difference

National reading results have dropped again, and around forty per cent of American fourth-graders are now below the NAEP Basic level. That is a fact about an achievement test, and achievement tests are built to show exactly the movement an IQ score is built to hide.

7 min read
Education & Testing

Does Screen Time Lower Cognitive Test Scores? Eight Years of Data Say No

A Finnish cohort followed 260 children from primary school into adolescence and measured cognition at the end. The children who had spent more time on screens did not do worse. On the processing measures they did slightly better.

7 min read
Education & Testing

Online IQ Scores Vary Widely. The Norm Sample Explains Why

Two people can perform identically on two different online tests and walk away with scores twenty points apart. The scale, the comparison group and the margin of error are what separate an assessment from a quiz.

6 min read
Education & Testing

The SAT Is Digital and Adaptive Now. Here Is What That Changes for a Score

The exam is shorter, taken on a screen, and the second half of each section changes difficulty based on how you did in the first. Raw right-answer counts stopped mapping onto scores the way they used to.

3 min read
How we report

Written to be checked, not just clicked

Every number carries its scale

An IQ figure is meaningless without the scale it was measured on and the range around it. Every story here reports all three, or says plainly that the source did not.

Sources are listed, not implied

Each story ends with the studies, datasets and documents it draws on, named and attributed, so you can go and read them yourself.

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Spotted an error? Write to corrections@iqmetrics.org. Corrections are made on the story and noted at the bottom of it — never quietly.

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