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Welcome to Ysgol Treffynnon (formerly Holywell High School), a secondary school in Flintshire, North Wales, serving the town of Holywell and the surrounding area.
GB 28 school lane
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Welcome to Ysgol Treffynnon (formerly Holywell High School), a secondary school in Flintshire, North Wales, serving the town of Holywell and the surrounding area.
