school records visa Korea foreign parent foreign parents korea live in korea foreign parents school issues Korea child born in korea foreign parent visa child custody foreign parent Korea multicultural divorce Korea visa multicultural family korea F6 divorce visa Korea multicultural custody visa Korea multicultural family residency korea family support korea foreign family registration Korea multicultural family school Korea multicultural family benefits Korea foreign parent school registration Korea f6 visa after divorce korea multicultural divorce visa korea multicultural family school communication Korea child education support korea multicultural family visa korea multicultural family school risk Korea foreign parent residency korea childcare subsidy multicultural Korea foreign parent education issues Korea