Bro Myrddin Welsh Comprehensive School Headmaster : Mr Dorian Williams Deputy Headmistress : Dr Llinos Jones Assisstant  Headteachers: Mr Euryn Madoc Jones and Miss Zelda Williams Address : Croes-y-Ceiliog, Carmarthen, Carmarthenshire, West Wales.  Postcode :  SA32 8DN E-mail :   swyddfa@bromyrddin.sirgar.sch.uk Telephone : 01267 234829   Fax : 01267 232218         Google Maps -        Multimap -