Alumni
The school's former pupils are called Ackworth Old Scholars. There is an active Old Scholars Association, with an annual Easter gathering in the school. Notable Old Scholars include:
- Elizabeth Robson (1771–1843), Quaker minister
- Jacob Post (1774–1855), Quaker religious writer
- William Darton (1781–1854), publisher
- Thomas Hancock (1783–1849), physician and epidemiologist
- Joseph Sams (1784–1860), bookseller and antiquities dealer
- Samuel Tuke (1784–1857), philanthropist and asylum reformer
- Susanna Corder (1787–1864), educationist and Quaker biographer
- Thomas Edmondson (1792–1851), inventor of the first railway-ticket printing machine
- William Howitt (1792–1879), writer
- Jeremiah Holmes Wiffen (1792–1836), poet and translator
- Henry Ashworth (1794–1880), cotton master
- Benjamin Barron Wiffen (1794–1867), biographer
- George Edmondson (1798–1863), headmaster of Queenwood Hall
- Sarah Ellis (1799–1872), writer and educationist
- John Priestman (1805–1866), worsted manufacturer and pacifist
- James Wilson (1805–1860), economist, founder of The Economist, politician, and Financial Member of the Council of India, 1859–1860
- Anna Richardson (1806–1892), philanthropist, slavery abolitionist and pacifist
- Henry Richardson (1806–1885), philanthropist and pacifist
- Thomas Thomasson (1808–1876), cotton master
- Henry Doubleday (1810–1902), starch manufacturer and comfrey cultivator
- Thomas Lister (1810–1888), poet and naturalist
- Jane Procter (1810–1882), headmistress of Polam Hall, Darlington; and temperance campaigner
- John Bright (1811–1889), politician
- Thomas Harvey (1812–1884), philanthropist
- William Allen Miller (1817–1870), chemist
- Francis Frith (1822–1898), photographer
- Henry Tennant (1823–1910), General Manager, North Eastern Railway, 1870–1891
- William Farrer Ecroyd (1827–1915), worsted manufacturer and politician
- John Howard Nodal (1831–1909), journalist and dialectologist
- Sir James Reckitt (1833–1924), starch, blue and polish manufacturer
- William Marshall Cooper (1833–1921), civil engineer, artist, surveyor and cartographer
- John Gilbert Baker (1834–1920), botanist
- Henry Bowman Brady (1835–1891), naturalist and pharmacist
- Sir Henry Binns (1837–1899), Prime Minister of Natal, 1897–1899
- Thomas William Worsdell (1838–1916), steam-locomotive engineer
- Alfred Darbyshire (1839–1908), architect
- Henry Ashby (1846–1908), paediatrician
- Wilson Worsdell (1850–1920), railway engineer
- Joseph Southall (1861–1944), painter and pacifist
- John Henry Salter (1862–1942), naturalist and diarist
- Eva Gilpin (1868–1940), founder and headmistress of the Hall School, Weybridge
- William Arthur Bone (1871–1938), chemist and fuel technologist
- Basil Bunting (1900–1985), poet
- Sir Joseph Burrt Hutchinson (1902–1988), geneticist and professor of agriculture
- Kathleen Tillotson (1906–2001), literary scholar
- Geoffrey Barraclough (1908–1984), historian
- Sir Arthur Snelling (1914–1996), diplomat
- Peter Strevens (1922–1989), linguistic scholar
- James Fearnley (born 1954), musician and member of the Pogues
- Dr. Fiona Wood (born 1958), burns-treatment pioneer, Australian of the Year
- Philip J Day (born 1959), documentary filmmaker
- James Willstrop (born 1983), squash player
- Kweku Adoboli (born 1980), Investment Banker
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