

Merchant Taylors' School (MTS) is a British independent day school for boys, originally located in the City of London. Since 1933 it has been located on 250 acres (1 km2) of grounds at Sandy Lodge in the Three Rivers district of Hertfordshire (but within the HA postcode area).
The school was founded in 1551 by members of the Merchant Taylors' Company - Sir Thomas White, Sir Richard Hilles, Emanuel Lucar and Stephen Hales.
It was originally located in a manor house called the Manor of the Rose, in the parish of St. Lawrence Pountney in the City of London, where it remained until 1875.
Today the school caters for 872 students between the ages of 11 and 18.
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