Data refreshed 14 Aug 2026
Best Secondary Schools in Wales (2026)
Every state and independent school across all 22 Welsh local authorities — ranked by Estyn inspection grade, with results, attendance and Welsh-medium provision for each authority.
209 schools across 22 areas — showing 75, with inspected schools first. For a results ranking, see the league tables below.
Generated from our verified dataset of official inspection and admissions data · Reviewed April 2026 · How we write
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Ysgol Gyfun Cwm Rhymni(Comprehensive School)
StateSecondaryWelsh medium (Cymraeg)
1590 pupils
Inspected by Estyn
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Ysgol Gymraeg Ystalyfera Bro Dur(School)
StateAll-throughWelsh medium (Cymraeg)
1325 pupils
Inspected by Estyn
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Ysgol Gyfun Gymraeg Glantaf(Comprehensive School)
StateSecondaryWelsh medium (Cymraeg)
1185 pupils
Inspected by Estyn
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Ysgol Gymraeg Bro Morgannwg(School)
StateAll-throughWelsh medium (Cymraeg)
1180 pupils
Inspected by Estyn
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Ysgol Gyfun Y Strade(Comprehensive School)
StateSecondaryWelsh medium (Cymraeg)
1070 pupils
Inspected by Estyn
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Ysgol Gyfun Gymraeg Plasmawr(Comprehensive School)
StateSecondaryWelsh medium (Cymraeg)
1000 pupils
Inspected by Estyn
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See also: best primary schools, independent schools, .