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For the rest of the 2001 school year  St. Charles  East students shared a split-schedule with  St. Charles North High School  .
 city of headquarters: St. Charles, St. Charles North High School
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:  St. Charles, St. Charles North High School 
Answer:
 city of headquarters: St. Charles, St. Charles North High School