Landmarks & buildings
Downside School
School in Somerset, England, UK
Wikipedia names Downside School as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Downside School. Each title’s page links to the sentence that says so.
Filming locations nearby
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Landmarks & buildings
Mells Park
England · 6 km east
Country estate in Mells, Somerset, England, UK
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Landmarks & buildings
All Hallows Preparatory School
England · 7 km south
Co-educational Catholic prep school near the town of Frome, Somerset, England, UK
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Towns & cities
Camerton
England · 8 km north-east
Village and civil parish in Somerset, England, UK
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Towns & cities
Shepton Mallet
England · 8 km south-west
Small town in Somerset, England
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Landscapes & nature
Greyfield Wood
England · 8 km north
Woodland in Somerset, England
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Landmarks & buildings
HM Prison Shepton Mallet
England · 8 km south-west
Former prison in Shepton Mallet, Somerset, England, UK