"Pentrechwyth is a village in Swansea falling within the Bon-y-maen ward. The village approximates to the built up area around Jersey Road just uphill from the junction with the A4217 road ... " wikipedia
"At PENTRECHWYTH is a mission church in connection with All Saints' church." [From Kelly's South Wales Directory 1923 (ArchiveCDBooks) - transcribed by Gareth Hicks]
Pentrechwyth School Records " ........... including log books, 1863-1933; admission registers, 1915-1963; attendance registers (infants), 1960-1975; pupil transfer forms, 1957-1977. See also System of Arrangement field"