I. noun
Usage: usually capitalized C
Etymology: from Charter ( Society ), Irish educational organization founded 1733
: any of the schools established in Ireland in the 18th century to furnish Protestant education for the Roman Catholic poor
II. noun
: a tax-supported school established by a charter between a granting body (as a school board) and an outside group (as of teachers and parents) which operates the school without most local and state educational regulations so as to achieve set goals