Question: When was the school Roger Wickson ran founded?

Context paragraphs:
St Mary's College, Crosby: St Mary's College is an independent Roman Catholic coeducational school in Crosby, Merseyside, about 11 km north of Liverpool.  It comprises an early years department "Bright Sparks" (age 4 and under), preparatory school known as "The Mount" (age 4-11) and secondary school with a 6th Form (age 11-18).  It was formerly a direct grant grammar school for boys, founded and controlled by the Christian Brothers order.  Notable alumni include John Birt, Roger McGough, Tony Booth and Cardinal Vincent Nichols.

Roger Took: Roger F. Took was an art historian, museum curator, author and convicted child sex offender who lived in London, Ireland, and Russia.  In the course of his career, he ran several museums in England, was a fellow of the Royal Geographical Society, and a former director of the Barbican Art Gallery.  He attended Sandhurst and the Courtauld Institute.  He married in 1983, and in 1985 founded Artangel, an institution within the field of contemporary art.  In December 2003, "Running with Reindeer: Encounters in Russian Lapland", Roger Took's detailed description of life on Russia's Lapland and Kola Peninsula, was published in hardback.  This book was shortlisted for the Thomas Cook Travel Book Award.  Took was most recently acclaimed as an expert on the mediaeval Russian fur trade.

Highgate School: Highgate School, formally Sir Roger Cholmeley's School at Highgate, is a leading British coeducational independent school, founded in 1565 in Highgate, London, England.  It educates over 1400 pupils in three sections – Highgate Pre-Preparatory School (ages 3–7), Highgate Junior School (ages 7–11) and the Senior School (11+) – which together comprise the Highgate Foundation.  As part of its wider work the charity was from 2010 a founding partner of the London Academy of Excellence and it is now also the principal education sponsor of a new Academy, the London Academy of Excellence Tottenham, opening in September 2017.  The principal business sponsor is Tottenham Hotspur F.C..  The charity also funds the Chrysalis Partnership, a scheme supporting 26 state schools in six London boroughs.

Roger Wickson (headmaster): Anthony Roger Dorrien Wickson (born 1940) was headmaster of the King's School, Chester where he served from 1981 until his retirement in 2000.  Born and raised in Croydon, Wickson was educated at Whitgift School and Sidney Sussex College, Cambridge where he read History.  Narrowly missing out on national service, Wickson embarked upon a career as a teacher.  After undertaking a brief training period at Charterhouse School, he moved on to Ardingly College, where he taught contemporary notables, such as Ian Hislop.  In a career that spanned four decades, Wickson taught in a number of southern schools before becoming head of Shaftesbury Grammar School and, thereafter, The King's School, Chester.

Roger Dean (guitar player): Roger Dean (born David Roger Bryan Dean; 16 March 1943 in Hendon, Middlesex – 3 August 2008) was a British guitar player and teacher.  First took piano lessons at age 7, then guitar at age 10.  Then had musical training at Eric Guilder guitar school in London with teacher Ivor Mairants.  His professional career ran over 40 years until he retired following a car crash in 2004.  During the 1960s he played in a number of bands which left few traces in the history of popular music.  The notable exception occurred when he joined briefly John Mayall's Bluesbreakers.  Dean's guitar is heard on Mayall's first album and single.  Leaving Mayall, he went to work with his former band the Nu Notes.  In 1971, he played with a band called Spike Island and recorded an album with them, a mixture of folk, country and world music.  Later, as a member of various other bands like The Bluejays, P. P. Arnold's backing band and The Bad Boys, he recorded on some hits, but gradually turned to more anonymous work as a session musician playing for TV shows, backing stars and other lucrative jobs, such as cruises on the QE2 as guitarist with The Joe Loss Orchestra.  In 1978, Dean became the first western musician allowed to play on electric guitar in China.  From 1992 he held teaching posts at various British schools.  After a serious illness, Dean died in 2008.

The Doyle School of Design and Technology: The Doyle School of Design and Technology was founded by American Old Blue, John Doyle who is a reputed British-American engineer and multimillionaire entrepreneur.  It replaced Christ's Hospital's former D&T department.  The department was managed by Ken Leadbeater who ran the department a decade prior to when the Doyle School was founded.  Ken retired at the end of the summer term of 2009 and was replaced by Patrick Hall-Palmer, formerly Head of Design and Technology at Clayesmore School, Dorset, Great Britain.

Caistor Grammar School: Caistor Grammar School is a selective school with academy status in the English town of Caistor in the county of Lincolnshire, England.  The school was founded in 1630.  It has since grown to be one of the most respected and highest performing schools in the East Midlands.  The school has been awarded specialist sports and humanities status.  Due to its high status, the school attracts students from not only the town of Caistor, but also several surrounding villages and nearby Grimsby.  The current Headmaster is Alistair Hopkins who took up the position in January 2017, replacing previous Headmaster Roger Hale, who was head for 21 years.  Mr Hopkins is the School's 27th head.  At present, Caistor Grammar is ranked first in Lincolnshire at both GCSE and A Level results in 2017.  In the 2017 Times newspaper league tables it is in the top ten mixed state schools in the country.

King's School, Chester: The King's School, Chester is a British co-educational independent school for children, established in 1541.  It is situated outside the city of Chester, England.  The school is a member of the Headmasters' and Headmistresses' Conference.  The school comprises an Infant school (years 4-7), a Junior school (years 7–11), a Senior school (years 11–16) and a Sixth form (years 16-18) in which the students choose their A-level subjects.

Roger Wickson (figure skater): Roger Wickson is a Canadian figure skater.  He was the 1949 and 1950 national champion.

John F. Kennedy High School (Mt. Angel, Oregon): John F. Kennedy High School is a public school located in Mt. Angel, Oregon, United States, as part of the Mt. Angel School District.  The school was originally Mt. Angel Preparatory School run by the Benedictine monks of Mount Angel Abbey, and was founded in 1887.  The Benedicitnes ran the school until 1964, when they turned its administration over to St. Mary's Catholic Church, located in Mt. Angel.  The parish ran the school for five years until closing it in 1969.  It was reopened one year later as John F. Kennedy High School, and remains so today.

Supporting paragraphs: Roger Wickson (headmaster) King's School, Chester
Answer: 1541