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In 1992 the junior department started taking girls and in 2000 the senior department was opened to girls , approximately 25 % of the pupils are now girls and the school also includes Charlton House Preparatory School and Charlton Nursery .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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