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