8577
The  Anglo European School  was in the top 10 most improved schools in  Essex  for GCSE results in 2009 .
 city of headquarters: Anglo European School, Essex
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Anglo European School, Essex 
Answer:
 city of headquarters: Anglo European School, Essex