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Three-Year-Old Brazilian Boy with IQ of 142 Joins Mensa, Excelling in Reading, Math, and Memory Skills

Foto de perfil do autor Alisson Ficher
Written by Alisson Ficher Publicado em 23/06/2026 at 16:38 Atualizado em 23/06/2026 at 16:39
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Malaysian-origin boy drew international attention when evaluated in early childhood, with rare performance in reading, mathematics, and memory, reigniting discussions about giftedness, childhood, intelligence tests, and appropriate support for children with above-average cognitive development.

Muhammad Haryz Nadzim was three years old when he was invited to join British Mensa after scoring 142 points on the Stanford-Binet IQ test, a result reported by his mother, Nur Anira Asyikin, to “Good Morning America” on ABC News.

The confirmation made by the entity to the program gave international reach to the case, as the boy, of Malaysian origin and a student at a nursery school in the United Kingdom, was still in an early stage of child development.

In January 2020, the repercussion gained momentum because the episode combined a formal intelligence assessment and an age when many children are still consolidating speech, autonomy, school interaction, and basic routine skills.

In the report, Haryz was presented as a child with advancement in reading, mathematics, and memorization, three areas that usually develop gradually during the first years of schooling.

The performance attributed to the boy was not limited to family observation, as the mother reported that he underwent evaluation with a psychologist before receiving the invitation from the international organization focused on people with high IQ.

During the exam, according to Nur Anira Asyikin, fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing, and working memory were evaluated, dimensions associated with Stanford-Binet and important for measuring different aspects of cognitive ability.

How Haryz joined Mensa

Mensa accepts candidates who have achieved scores within the top 2% of the population on an approved intelligence test, provided the application is recognized, properly supervised, and compatible with the entity’s criteria.

In the United Kingdom, British Mensa states that it does not conduct the supervised test on children under 10 and a half years old, requiring, in these cases, prior evidence of high intellectual performance.

For this reason, reports from an educational psychologist or professionally administered tests become decisive for young children, as they do not follow the same procedure applied to older candidates interested in joining the organization.

In Haryz’s case, the external evaluation helped transform skills perceived by the family into a formal record, later recognized by British Mensa with an invitation to participate in the high IQ society.

Although the score of 142 was the most striking data, public interest also arose from the contrast between the test result and the boy’s young age at the time of the evaluation.

Instead of just repeating memorized information, Haryz was described by his mother as a child capable of dealing with different cognitive dimensions, including reasoning, memory, language, and quantitative notions.

Reading, math, and memory before formal schooling

Among the skills reported by the article, reading stood out because the family shared a video in which Haryz appears reading “The Gruffalo,” a children’s book written by Julia Donaldson.

The book is known for its rhyming phrases, narrative rhythm, and vocabulary that may require mastery above what is expected for many three-year-old children, which helped increase curiosity around the case.

Also cited by ABC News, ease with math was part of the repertoire associated with the boy, alongside memorization and reading, without the report presenting the performance as simple mechanical repetition.

Even so, the most verifiable data remained the result on the Stanford-Binet and the confirmation from British Mensa about the invitation, points that provided factual support for the international repercussion.

Cases of child giftedness often raise doubts precisely because they mix early development, spontaneous interest, family stimuli, and cognitive ability measured by formal psychological assessment tools.

In the episode involving Haryz, the information about the evaluated areas was attributed to the mother, while the entry into Mensa was linked to the professional evaluation and the score obtained on the test.

The boy behind the IQ score

Despite the high result, the coverage of the case did not present Haryz as a child removed from his own childhood, but as a boy who also maintained common interests for his age group.

The mother told ABC News that she was impressed with the achievement and, at the same time, happy to see him satisfied with what he did in his family routine.

Besides cognitive skills, the family highlighted that he enjoyed painting, singing, and storytelling, activities that bring the case closer to the daily life of other young children.

This contrast helps avoid a limited reading, as if the boy could be summed up to an IQ number or treated merely as a scientific curiosity.

The interest sparked by the admission to Mensa arose precisely from the combination of a formal test, an unusual result, a globally known organization, and a child still involved with play, drawings, music, and stories.

While the case drew attention for its rarity, the family itself emphasized a more everyday dimension, showing that advanced intellectual development did not negate expected childhood behaviors.

Why the case continues to draw attention

Stories of children with high abilities circulate beyond specialized environments because they challenge expectations about child development and raise questions about the boundaries between precocity, stimulation, learning, and above-average cognitive ability.

At three years old, many children are still consolidating language, coordination, socialization, and early school experiences, making any well-documented account of advanced reading, mathematical ease, and superior memory unusual.

In the case of Haryz, the available information allows us to state that he was invited by British Mensa after evaluation and scoring compatible with the criteria required by the entity.

It is also possible to record, based on the report, that he demonstrated advancement in reading, mathematics, and memorization, while still showing common childhood interests for his age.

What is not proven with the same certainty is a specific scientific conclusion about the origin of the boy’s performance at that age.

The consulted report does not attribute the case to a single cause, nor does it present a study dedicated to explaining whether the result came from rare natural ability, family environment, educational stimulation, or a combination of these factors.

Therefore, the more careful formulation treats the episode as a rare example of early cognitive development recognized by formal testing, without turning any hypothesis about its origin into a definitive explanation.

The public fascination surrounding Muhammad Haryz Nadzim remains linked to the tension between the extraordinary and the everyday, as he joined Mensa at a very young age, read above his age, and was described as advanced in mathematics and memory.

At the same time, the family continued to portray Haryz as a child who painted, sang, and told stories, preserving an essential dimension to understand the case beyond the score recorded on the IQ test.

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Alisson Ficher

A journalist who graduated in 2017 and has been active in the field since 2015, with six years of experience in print magazines, stints at free-to-air TV channels, and over 12,000 online publications. A specialist in politics, employment, economics, courses, and other topics, he is also the editor of the CPG portal. Professional registration: 0087134/SP. If you have any questions, wish to report an error, or suggest a story idea related to the topics covered on the website, please contact via email: alisson.hficher@outlook.com. We do not accept résumés!

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