What happened
The Surrey newspaper Get Surrey reported the result under the headline "Boy genius, seven, gets A* grade at maths GCSE", noting that he was believed to be the youngest person to secure the top grade in any GCSE examination. He was a pupil at Stamford Green Primary School in Epsom at the time.
The preparation was neither casual nor improvised. He was tutored by Dr Mike Ryde of Ryde Teaching Services for four hours every Saturday over nine months. That is roughly 150 hours of structured teaching, on top of primary school, for a subject with a syllabus written for pupils twice his age.
What his tutor said
Ryde's description of his pupil was measured rather than breathless. "He could probably apply himself to most things if he wanted," he said, adding: "He seems to be able to excel at whatever he sets his mind to."
He was equally careful about the effect of the attention. "He is still very grounded and down to earth about things," he told the paper. "He has got a healthy interest in sports and music, he's a very rounded young man." The article carries no quotations from Oscar or his parents, which is a common and sensible pattern in British coverage of very young children.
Child Genius, 2013
In 2013 the British Go Association noted that a nine-year-old Oscar Selby was appearing on Channel 4's Child Genius series. The programme sets British children against one another through rounds of memory, mathematics and general knowledge, and has been running in various forms since the 2000s.
That appearance is the reason his name still circulates: a newspaper story about an exam result reaches a county; a television series reaches the country.
How unusual the result was
Very young GCSE candidates are rare but not unique in Britain. The parenting site MadeForMums, cited in the research record, reported the case of a five-year-old girl passing GCSE maths, an indication that the record for youngest entrant and the record for youngest top grade are different things, and that the claim attached to Oscar was specifically about the A*.
The system permits it. GCSEs have no minimum age, so a private candidate of any age may be entered, usually with private tutoring of exactly the kind Oscar received. What is rare is not access to the exam but the grade: an A* requires accuracy under timed conditions on a paper written for teenagers.
Vinte perguntas, oito minutos no relógio e um percentil medido contra todos os que já fizeram. Sem cadastro.
Fazer o teste de QI →Where Oscar Selby is now
No source gathered for this page documents his life after the 2013 television appearance: no later examinations, no university, no interview. His date of birth is not stated in any source read here, and the research record derives a birth year of about 2004 from the ages given in the reports.
That silence is the normal outcome for British children who make headlines for early examinations. The coverage arrives in a burst around one result, and unless the child chooses publicity later, the record simply stops. This page stops with it.
| Pessoa | País | Marco | Idade / Dado |
|---|---|---|---|
| Rajveer Meena | Índia | Recitar 70.000 casas decimais de pi de olhos vendados | Idade 0 |
| Oscar Selby | Reino Unido | Um A* no GCSE de matemática aos sete anos | Idade 7 |
| Peter Imafidon | Reino Unido | Reportado em 2008 como, com a irmã gémea Paula, o mais novo de sempre a passar num… | Idade 7 |
| Andrej Živanović | Sérvia | Títulos no Campeonato Mundial de Cálculo Mental Júnior | Idade 11 |
| Faith Odunsi | Nigéria | Vencer o Torneio Global Aberto de Matemática aos 15 anos | Idade 15 |
What is documented — and what is not
✓ Documented
- He achieved an A* in GCSE mathematics at seven (Get Surrey)
- He attended Stamford Green Primary School in Epsom
- He was tutored by Dr Mike Ryde for four hours each Saturday over nine months
- He appeared on Channel 4's Child Genius in 2013 (British Go Association)
? Unverified, disputed or wrong
- No source read states his date of birth or the exam board and date
- The article carries no quotations from Oscar or his parents
- Nothing documents his education after 2013
Questions people ask about Oscar Selby
How old was Oscar Selby when he passed GCSE maths?
Seven. Get Surrey reported that he was believed to be the youngest person to secure a top grade in any GCSE.
What grade did he get?
An A*, the highest grade available in the GCSE system at the time.
How did he prepare?
With four hours of tutoring every Saturday for nine months from Dr Mike Ryde of Ryde Teaching Services.
Was he on television?
Yes. The British Go Association recorded his appearance on Channel 4's Child Genius in 2013, at nine.
Is he the youngest ever to pass a GCSE?
No. The claim reported was about the top grade. MadeForMums has reported a five-year-old passing GCSE maths.
Is Oscar Selby on Wikipedia?
The research record found no standalone Wikipedia article about him.
Where is Oscar Selby now?
No source gathered here documents his education or work after 2013.
Quick quiz: how well do you know Oscar’s story?
What grade did Oscar Selby achieve in GCSE maths at seven?
How long did he train with his tutor each Saturday?
Which television series did he appear on in 2013?
Sources
- Boy genius, seven, gets A* grade at maths GCSE — Surrey Live (Get Surrey), 2011
- 9-year-old Oscar Selby on Channel 4's 'Child Genius' TV series in 2013 — British Go Association, 2013-06
- Five-year-old girl passes GCSE maths! — MadeForMums, 2013
Checked by the Geniuses.club editorial team. Ages are given as of September 2026.
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