13368
According to data compiled in 2014 , Chicago 's " choice system " , where students who test or apply and may attend one of a number of public high schools ( there are about 130 ) , sorts students of different achievement levels into different schools ( high performing , middle performing , and low performing schools ) .
 location: Chicago
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Chicago 
Answer:
 location: Chicago