Timeline of BGS history

The table below sets out the timeline of key events that have occurred over the lifetime of the school.

Year	Event
1329	First written reference to a Grammar School in Boston: Robert of Muston first recorded master.
1555	School charter granted by Philip and Mary
1567/8	Big School constructed
1635	Boston Latin School founded, and modelled on BGS. It is currently the oldest existing school in the United States.
1707	Laughton bequest
1827	Number One South End built for the headmaster's residence (no longer used by the school)
1835	Robert Evelyn Roy attended the school. He later wrote the earliest available account of school life from the point of view of a pupil
1838	John Francis Bazlinton, the longest serving master, arrived at the school
1850	North end lobby of Big School opened George Edwin Pattenden, the longest serving headmaster, arrived at the school
1856	South end classroom of Big School opened. The History and Antiquities of Boston authored by Pishey Thompson.
1862	Stained glass panels installed in the north windows of Big School, depicting key figures from the Tudor period
1866	North end classroom of Big School opened. First five verses of school song, Floreat Bostona, written. Earliest record of a BGS cricket match against another school: The King's School, Grantham.
1871	Number One South End extended to accommodate more boarders. First Fives Court opened (demolished in 1904).
1875	Parry Gold Medal instituted (first recipient: Frederick Pattenden)
1887	Sixth verse of Floreat Bostona written to commemorate Queen Victoria's golden jubilee year George Edwin Pattenden, longest serving headmaster, left the school
1895	Thomas F. Bayard, United States Ambassador to the United Kingdom, was the guest of honour at Speech Day
1898	John Francis Bazlinton, longest serving master, died while still in service to the school
1900	Old Bostonian Association formed. Originally called the 'Old Bostonian Club'.
1904	First science block opened. Second Fives Court opened (demolished around 2000).
1915	Margaret Anne Tamlyn, believed to be the first female member of staff, employed from February to April 1915
1920	First issue of the Bostonian magazine published. House system 're-introduced' with three houses: Hill's, Cox's and Briggs'.
1921	Boston High School founded
1923	First World War memorial unveiled
1926	Main Quadrangle Block opened Houses renamed to those we know today: Parry, Gannock and Muston.
1936	Laughton formed as a fourth house to meet a growth in student numbers
1938	Sports Field came into use
1939	Air Raid Shelters built (demolished in 1958 and 1968)
1941	CCF formed, initially as the Air Training Corps
1946	First known edition of The Quintian published.
1949	Second World War memorial unveiled. First Dining Hall opened (demolished in 1984).
1953	Ormiston House, 27 Rowley Road built (sold in 1980).
1954	The first three girls to join the school entered the sixth form: Janice Bellamy, Carolyn Greetham, Pat Jackson
1955	400th anniversary (quater-centenary) of school charter being granted. First Charter Day service held. Ten stained glass panels conceived for bay window of Big School. These were installed in 1956. Boston Grammar School - A Short History authored by Hubert Turpin.
1958	Assembly Hall opened. Second science block opened (demolished in 2002).
1959	Gold piping / braid on blazers began to be phased out. Blazer badge changed from 'BGS' monogram to three crowns.
1960	Pavilion opened. Staff Room opened Specific ties and lapel badges introduced for prefects.
1961	Big School renovated and converted for use as school library
1965	Swimming pool opened (in use until 1981)
1966	Junior Common Room opened. Boston Grammar School - A Short History updated.
1968	Mobiles introduced (all removed by 2003). Stained glass panels installed in the Library, depicting the four historical figures after whom the Houses are named.
1976	Sports Hall opened BGS Parents' Association (BGSA) formed
1980	Fiesta held to celebrate the 425th anniversary of the granting of the school charter CCF disbanded
1984	Second Dining Hall opened
1985	Design and Technology Block opened. Floreat Bostona, a comprehensive history of BGS, authored by alumnus George Bagley.
1988	Link Block opened
1992	First issue of the Grammar Gazette published.
1993	Sixth Form Block opened
circa 1993	Sixth Form became co-educational
1996	Library refurbished
1997	Art and Music Block opened
2000	Centennial Anthology published to commemorate the centenary of the OBA
2002	Third science block opened OBA museum opened at the north end of the Library.
2005	Small clocktower built to commemorate the 450th anniversary of the granting of school charter First female recipient of the Parry Gold Medal: Sunita R Deshmukh
2007	Federation with Boston High School began.
2013	BGS acquired Academy status, ending the federation with Boston High School. School suffered flood damage due to tidal surge.
2018	First floor extension to Sixth Form Block opened

Similar timeline-based views can be found on this Wiki in relation to Boston Grammar School Staff, Prizes and Buildings.