23357
Peachtree Ridge is the only Gwinnett County Public School to use block scheduling ; Shiloh High School used to but discontinued it in 2008 .
 Peachtree Ridge, Gwinnett, Public, Shiloh High School
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peachtree Ridge, Gwinnett, Public, Shiloh High School