Queen Elizabeth II Visits Berkhamsted School on May 6, 2016 in Berkhamsted, England.

(L) Queen Elizabeth II visits St Peter's Church during her visit to Berkhamsted School on May 6, 2016 in Berkhamsted, England

(L) Queen Elizabeth II visits St Peter's Church during her visit to Berkhamsted School on May 6, 2016 in Berkhamsted, England

Queen Elizabeth II visits St Peter's Church during her visit to Berkhamsted School on May 6, 2016 in Berkhamsted, England. 

Britain's Queen Elizabeth II inspects a Guard of Honour as she arrives to visit Berkhamsted School, north-west of London on May 6, 2016, on the 475th Anniversary of its foundation. The Queen, in her role as Patron of the school, will inspect a Guard of Honour formed from the school's Combined Cadet Force, and view displays celebrating various aspects of school life. 

Britain's Queen Elizabeth II arrives to visit Berkhamsted School, north-west of London on May 6, 2016, on the 475th Anniversary of its foundation.

Queen Elizabeth II, Patron, Berkhamsted School, inspects a Guard of Honour formed from the school's Combined Cadet Force, as part of the school's 475th Anniversary celebrations, at Berkhamsted School on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II, Patron, Berkhamsted School, inspects a Guard of Honour formed from the school's Combined Cadet Force, as part of the school's 475th Anniversary celebrations, at Berkhamsted School on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II, Patron, Berkhamsted School, inspects a Guard of Honour formed from the school's Combined Cadet Force, as part of the school's 475th Anniversary celebrations, at Berkhamsted School on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II, Patron, Berkhamsted School, inspects a Guard of Honour formed from the school's Combined Cadet Force, as part of the school's 475th Anniversary celebrations, at Berkhamsted School on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II, Patron, Berkhamsted School, inspects a Guard of Honour formed from the school's Combined Cadet Force, as part of the school's 475th Anniversary celebrations, at Berkhamsted School on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II, Patron, Berkhamsted School, inspects a Guard of Honour formed from the school's Combined Cadet Force, as part of the school's 475th Anniversary celebrations, at Berkhamsted School on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II inspects a Guard of Honour at Berkhamsted School which celebrates its 475th anniversary this year on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II inspects a Guard of Honour at Berkhamsted School which celebrates its 475th anniversary this year on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II inspects a Guard of Honour at Berkhamsted School which celebrates its 475th anniversary this year on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II inspects a Guard of Honour at Berkhamsted School which celebrates its 475th anniversary this year on May 6, 2016 in Berkhamsted, England.

 Queen Elizabeth II inspects a Guard of Honour at Berkhamsted School which celebrates its 475th anniversary this year on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II inspects a Guard of Honour at Berkhamsted School which celebrates its 475th anniversary this year on May 6, 2016 in Berkhamsted, England. 

(L) Queen Elizabeth II arrives at Berkhamsted School for the School's 475th Anniversary celebrations on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II arrives at Berkhamsted School for the School's 475th Anniversary celebrations on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II arrives at St Peter's Church, Berkhamsted for a service before her visit to Berkhamsted School as part of its 475th Anniversary celebrations on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II arrives at St Peter's Church, Berkhamsted for a service before her visit to Berkhamsted School as part of its 475th Anniversary celebrations on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II during her visit to Berkhamsted School as part of the school's 475th Anniversrary celebrations on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II during her visit to Berkhamsted School as part of the school's 475th Anniversrary celebrations on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II during her visit to Berkhamsted School as part of the school's 475th Anniversrary celebrations on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II during her visit to Berkhamsted School as part of the school's 475th Anniversrary celebrations on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II (seen with a bruise on her right shin) visits Berkhamsted School on the occasion of the 475th Anniversary of its foundation on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II inspects a Combined Cadet Force Guard of Honour as she visits Berkhamsted School on the occasion of the 475th Anniversary of its foundation on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II inspects a Combined Cadet Force Guard of Honour as she visits Berkhamsted School on the occasion of the 475th Anniversary of its foundation on May 6, 2016 in Berkhamsted, England. 

Queen Elizabeth II inspects a Combined Cadet Force Guard of Honour as she visits Berkhamsted School on the occasion of the 475th Anniversary of its foundation on May 6, 2016 in Berkhamsted, England.

Queen Elizabeth II visits Berkhamsted School on the occasion of the 475th Anniversary of its foundation on May 6, 2016 in Berkhamsted, England.