|File:Fearnhill School Logo.png|
|Motto||'Labora Lude Strenve' (Work hard, play hard)|
|Headteacher||Ms Liz Ellis|
|Location||Icknield Way West
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|DfE URN||117504 Tables|
|Houses||4 (Gorst, Pearsall, Howard and Neville)|
|Colours||Yellow, green, blue and red|
Fearnhill School (formerly Letchworth Grammar School) is a community comprehensive school located in Letchworth Garden City. There are over 500 students on roll including 100 students in the sixth form. The school is linked as a cooperative trust with The Highfield School. as The Letchworth Garden City Education Partnership.
The school's origins lie in Letchworth Grammar School, which moved to the site in 1976 after the former site closed in July of that year. The building of the former grammar school is on Broadway in Letchworth GC town centre.
In June 2015 the school was judged by Ofsted to be "Good" and affirmed the school’s belief that it can become ‘Outstanding’ by adding that the leadership ‘demonstrate the necessary ambition and vision to secure further improvement for the school’. Ofsted confirmed that ‘teachers are committed to the success of their students’, ‘students behave well around the school’, ‘bullying is rare’ and ‘achievement shows substantial improvement’. In the GCSE results announced in August 2014, 52% of the students achieved A*-C grades. The A Level results in August 2013 were the best the school has ever achieved.
The sixth form at Fearnhill is thriving and successful and it was noted by Ofsted that ‘sixth form provision is a strength of the school’. Each year the school admits a cohort of students into Year 12, including external pupils from any school according to their GCSE results. The sixth form teaches AS and A2 courses as well as BTEC courses.
The school has a house system with four houses named after key figures in the development of Letchworth Garden City: Gorst, Howard, Pearsall and Neville. Each house is led by a senior member of staff and a sixth form House Captain. The houses compete against each other to win events such as sports day as well as Christmas and summer house competitions. Students are also awarded house points for good effort, community service and effective learning. The total number of points for each house is used to determine which house is the winner of the annual house competition. The recent winners of the house competition were: • 2013-2014 Howard
Fearnfile is the Fearnhill fortnightly magazine of news, articles, and original contributions. Fearnfile is becoming a publication that is written by pupils, for pupils. Previous issues include information about any member of staff who has left or who joined the school that academic year, updates of music and drama events, sports teams and reports from trips.
Fearnhill School competes in a range of disciplines across each academic year. Across all year groups students have the opportunity to compete in traditional sports such as football, netball, rugby, hockey, basketball, rounders, cricket and athletics. Aside from these activities Fearnhill also compete in volleyball, table tennis, badminton, indoor athletics and cross-country. Recent successes in the district include: 2015-16 U16 Girls District Badminton Champions; 2015-16 U15 Boys District Football Champions; 2014-15 Senior District Athletics Bronze Medallists; 2014-15 U16 Boys District Football Runners-Up; 2014-15 U15 Boys Basketball District Champions. Fearnhill as a long line of athletics success spanning decades. Currently competing against schools from all over Hertfordshire in the county athletics league Fearnhill are yet to mark their stamp on the county stage.
Notable former pupils
- Dave Kitson, Premier League footballer
- Victoria Pendleton, Olympic and world champion track cyclist 
- Simon West, film director
- Claire Rushbrook, TV actress
- Nicky Hunt, Double Commonwealth Gold medallist for Archery 2010
- Ruth Goodman (historian), Social historian and TV personality
- Zain Hussain (Formerly known as Lilu Miah), Golf Professional
Letchworth Grammar School
- Prof William Bonfield CBE, Professor of Medical Materials from 2000-5 at the University of Cambridge, who founded the Journal of Materials Science: Materials in Medicine
- Prof Meir M. Lehman, known for Lehman's laws of software evolution, and Professor of Computing Science from 1972-84 at Imperial College London
- John Ransford, Chief Executive since 2009 of the Local Government Association, and of North Yorkshire County Council from 1994-9
- Richard Wiggs, founder of the Anti-Concorde Project
- Richard Parry, Director of Education since 1998 for Swansea Council (Head of Maths from 1983-8)
- Ian Roberts, England Athletics Team Coach (Head of Physical Education from 1995 - 2003)
- Chris Husbands, Director, Institute of Education since 2011 (head of Humanities 1988-1990)
- "Fernhill School", Fearnhill School, Ofsted, accessed 29 May 2008
- The Comet, 22 August 2013