- public school - a tuition free school in the United States supported by taxes and controlled by a school board
--1 is a kind of school
--1 has particulars: charter school- public school - private independent secondary school in Great Britain supported by endowment and tuition
--2 is a kind of secondary school, lyceum, lycee, Gymnasium, middle school
--2 has particulars: Eton College; Winchester College - public school - private independent secondary school in Great Britain supported by endowment and tuition