Received Pronunciation, the accent linguists still nickname the Queen's English, took shape inside a handful of England's most expensive private schools, and it remains such a reliable marker of that background that a stranger can often place someone's education within a single sentence.

Henry Higgins spends the first half of My Fair Lady convinced that a Covent Garden flower girl can pass for a duchess if someone just fixes her vowels.

Eliza Doolittle spends the second half proving him right, and insufferable, at the same time. The joke lands because it barely counts as an exaggeration. Higgins is written as a phonetician, and the accent he drills into her, the clipped, placeless-sounding English that still shows up in British costume drama and royal broadcasts, has a real name and a surprisingly narrow address history.

That accent is Received Pronunciation, usually shortened to RP. Linguists gave it that slightly odd name because 19th-century phoneticians described it as the pronunciation “received,” or accepted, in polite society, the kind that got a speaker waved through rather than corrected. Where a Yorkshire or Scouse accent ties to a region, RP tied to an income bracket, and more specifically to a small set of schools that income bracket could afford.

A voice built inside a handful of classrooms

The building where that happened is not a metaphor. According to Accent Bias Britain, a research project run out of Queen Mary University of London and the University of York, the accent had become the standard sound of England’s fee-paying schools, and the universities that took in their graduates, by the close of the 19th century. The accent’s early spread mapped onto a short list of fee-charging schools that could make their students sound alike, schools that then sent their graduates into government, the courts, and the empire’s civil service, where the accent traveled along with them.

That history is the part worth sitting with. Most accents form the slow, unplanned way, shaped by geography and generations of neighbors influencing each other’s vowels without anyone deciding anything. RP formed on a schedule, inside buildings with fees attached, as something closer to a uniform than a dialect. A person could move counties, change jobs, and even change social class later in life, and the accent, once installed at fourteen or fifteen, tended to stay put. That is part of why it still works as a marker decades on: the signal comes from where someone once sat in a classroom, long before it comes from where they happen to live today.

It also explains a smaller detail that trips people up: RP was never supposed to belong to any single part of England, yet it still reads to most ears as a southern, London-adjacent sound. Accent Bias Britain notes that the accent is more heavily associated with the southeast of England as a result of those historical origins. The schools that built RP were never distributed evenly across the country to begin with, so the accent inherited their address along with everything else.

How rare the real thing actually is

Given how instantly recognizable RP is, in speeches, in newsreaders, in every period drama set in a country house, it is easy to assume more people speak it than actually do. Sir Peter Lampl, founder and chairman of the Sutton Trust, put a figure on it in 2022, describing how “a hierarchy of accent prestige is entrenched in British society with BBC English being the dominant accent of those in positions of authority. This is despite the fact that less than 10% of the population have this accent.” Other estimates run lower still. Accent Bias Britain puts the number of native RP speakers at around 3 percent of the UK population.

Either figure describes a tiny slice of the country holding an outsized share of its authority. That mismatch, a small accent group concentrated at the top of institutions built for everyone, is what keeps RP so recognizable decades after most of the empire it traveled with has gone. Scarcity does most of the work here, whatever people privately believe about how pleasant the accent sounds.

What a few words give away

This is where the claim in the title earns its keep. A short accent sample carries information most listeners process automatically and mostly without meaning to, which is exactly what makes it useful as a shortcut and unreliable as a judgment. Devyani Sharma, the Queen Mary University of London professor who authored the Sutton Trust’s 2022 accent research, put it plainly: “Our work shows that a long-standing hierarchy of accent prestige in Britain is still in place.” She added that “accent-based discrimination actively disadvantages certain groups at key junctures for social mobility, such as job interviews.”

The same research found that 29 percent of senior managers from working-class families said they had been mocked or criticized in the workplace for their accent, and that university students from the north of England worried about their accent affecting their future success at more than double the rate of students from the south, 41 percent against 19 percent. The same report also found that 22 percent of senior managers from lower socio-economic backgrounds worried their accent could hold back their success at work, compared with 12 percent from better-off families. An RP speaker never has to say a single word about class for the message to register. The accent does the introducing on its own, a strange kind of efficiency in which one sentence does the work a resume or a reference letter might otherwise be asked to do, and that efficiency is exactly why a stranger’s guess about someone’s schooling, made on the first exchange, so often turns out to be right.

Whose English it actually is

The nickname in the title deserves its own honest footnote, because it has never been fixed. “The King’s English” or “the Queen’s English” is a colloquial label for standard, correct English, and which version gets used has simply tracked whoever happens to be on the throne. It was “King’s” for centuries before Victoria, “Queen’s” through her long reign and then through Elizabeth II’s seventy years, and it swapped back to “King’s” the moment Charles III took the throne in 2022, a change most people barely registered because “Queen’s English” had been the only version most of the population had ever known.

That habit is now visibly catching up with the calendar. The Queen’s English Society, a group devoted to exactly this kind of usage, held onto its original name for two years after Elizabeth II’s death, calling it a mark of respect. At its September 2024 annual meeting, members finally voted 75 to 7 to become the King’s English Society instead. The accent Higgins taught Eliza in a stage play a century ago is still described today by a title borrowed from the crown, standing in for an accent whose actual origin was a classroom down the road that most people never got invited into.