Old Grammar School – Yn Chenn Scoill Ghrammeyoys

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Built around 1200AD as the first church for the settlement that grew up around Castle Rushen. Later becoming a school for boys as it is now depicted. It is the oldest roofed structure still standing on the Isle of Man today.

Opening Times


The Old Grammar School can be visited on our Castle town Site Tours, which you can book here.

From 1 November to 29 November 2022, The Old Grammar School is also OPEN on Saturdays and Sundays from 11am to 1pm.

Closed for winter from 30 November 2022 until Spring 2023.


The Old Grammar School can be accessed via our weekly Castletown Site Tours which you can book here.


Concessions available

Holiday Passes for visitors.

Group discounts available to pre-booked group visitors of 15 or more paying visitors.
Pre-book in advance.

Annual Passes for Isle of Man residents.

Go Explore Heritage Passes for use with trams, trains and bus transport.

Free entry available to members of the Friends of Manx National Heritage, National Trust, English Heritage, CADW, Historic Scotland and organisations holding an agreement with Manx National Heritage.  Entry available to the named member only on presentation of a valid membership card.  Restrictions may apply.  For details, please consult your membership handbook.

Please note: concessions may not apply for special events.

Things to do and see

The building survives today thanks to a preservation order being placed on it in the 1950’s by the Manx Museum Trustees in order to save it from the fate of the surrounding streets which were being demolished to make way for the car park.

Built originally in 1200AD as the first church for the settlement that grew up around Castle Rushen, the building was later developed as a boys’ school.

Inside its Romanesque arches date back to the 13th Century when the building was the Chapel of St. Mary, today its interior depicts the later Victorian school room.


Address: Castle Street, Castletown, IM9 1LE

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