191040
It was nearly two decades later that construction of Kent College School began , and the National School , as it was more commonly known , began operation as the first public school in the Colony in Charlottetown in 1821 .
 Charlottetown
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Charlottetown