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Thiruvananthapuram district in Kerala , India has a variety of schools affiliated to State education board , Central Board of Secondary Education ( CBSE ) , Indian School Certificate Examination Board ( ICSE ) , International Baccalaureate ( IB ) and International General Certificate of Secondary Education ( IGCSE ) .
 Thiruvananthapuram district, Kerala, India
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Thiruvananthapuram district, Kerala, India