BBC reveals school banding scores

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This table, produced by BBC Wales, ranks all secondary schools in Wales by the total score they were given by the Welsh government.

It's an assessment of a school's performance in the academic year 2010-11, where the lowest scores represent the best performance.

The scores were derived by assessing school performance within four categories including GCSE results and attendance.

Within each category, a school's score is modified to take into account the percentage of pupils eligible for free school meals.

Most of the categories also take into account progress over time, to reward schools that are making improvements in performance.

The scores are used by the Welsh government to rank the schools into five bands.

The best possible score was 11 and the worst possible score was 44.

School Local authority Score
Band 1 Schools

Ysgol Tryfan

Gwynedd

11

Bishop Gore School

Swansea

12

Dyffryn School

Neath Port Talbot

12.5

Newbridge School

Caerphilly

12.5

Bishop Vaughan School

Swansea

13

St Joseph's Catholic and Anglican High

Wrexham

13.5

Cwmtawe Community School

Neath Port Talbot

14.5

The Bishop of Llandaff

Cardiff

14.5

Ysgol Dinas Bran

Denbighshire

14.5

Ysgol Gyfun Ystalyfera

Neath Port Talbot

14.5

Cefn Hengoed

Swansea

15

Eirias High School

Conwy

15

Oakdale Comprehensive

Caerphilly

15

Treorchy Comprehensive School

Rhondda Cynon Taf

15

Ysgol Gyfun Gwyr

Swansea

15

Castell Alun High School

Flintshire

16

St. Joseph's R.C. High School

Newport

16

Ysgol Gyfun Cwm Rhymni

Caerphilly

16

Ysgol Y Preseli

Pembrokeshire

16

Bishopston Comprehensive

Swansea

16.5

Mary Immaculate High School

Cardiff

16.5

Ysgol Dyffryn Aman

Carmarthenshire

16.5

Cefn Saeson Comprehensive School

Neath Port Talbot

17

Porthcawl Comprehensive School

Bridgend

17

Ysgol Gyfun Bro Morgannwg

The Vale of Glamorgan

17

Ysgol Rhiwabon

Wrexham

17

Aberdare Girls' School

Rhondda Cynon Taf

17.5

Ysgol Brynrefail

Gwynedd

17.5

Ysgol Gyfun Llangefni

Isle of Anglesey

17.5

Band 2 Schools

Stanwell School

The Vale of Glamorgan

18

Ysgol Dyffryn Ogwen Bethesda

Gwynedd

18

Ysgol Morgan Llwyd

Wrexham

18

Cardiff High School

Cardiff

19

John Summers High School

Flintshire

19

Y Pant Comprehensive

Rhondda Cynon Taf

19

Ysgol Dyffryn Conwy

Conwy

19

Bryn Hafren Comprehensive School

The Vale of Glamorgan

19.5

Cardinal Newman R.C.

Rhondda Cynon Taf

19.5

Cynffig Comprehensive

Bridgend

19.5

The Maelor School

Wrexham

19.5

Ysgol Gyfun Gymraeg Plasmawr

Cardiff

19.5

Bryngwyn School

Carmarthenshire

20

Cyfarthfa High School

Merthyr Tydfil

20

Llangatwg Community School

Neath Port Talbot

20

Llanishen

Cardiff

20

Maes Garmon

Flintshire

20

Olchfa School

Swansea

20

Ysgol Gyfun Gymraeg Bro Myrddin

Carmarthenshire

20

Ysgol Gyfun Llanbedr Pont Steffan

Ceredigion

20

Ysgol Tre-Gib

Carmarthenshire

20

Mountain Ash Comprehensive School

Rhondda Cynon Taf

20.5

Ysgol Aberconwy

Conwy

20.5

Fitzalan High School

Cardiff

21

Hawarden High School

Flintshire

21

Ysgol Gyfun Gymraeg Glantaf

Cardiff

21

Ysgol Y Moelwyn

Gwynedd

21

Cwrt Sart Community Comprehensive School

Neath Port Talbot

21.5

Llandrindod High School

Powys

21.5

Llanfyllin High School

Powys

21.5

Newtown High School

Powys

21.5

Prestatyn High School

Denbighshire

21.5

Ysgol Glan y Mor

Gwynedd

21.5

St Brigid's Secondary

Denbighshire

22

Darland High School

Wrexham

22.5

Flint High School

Flintshire

22.5

Ysgol Bryn Elian

Conwy

22.5

Ysgol Brynhyfryd

Denbighshire

22.5

Archbishop McGrath Catholic School

Bridgend

23

Builth Wells High School

Powys

23

Dwr Y Felin Comprehensive School

Neath Port Talbot

23

Ebbw Vale Comprehensive

Blaenau Gwent

23

Pen-y-Dre High School

Merthyr Tydfil

23

Ysgol Gyfun Penweddig

Ceredigion

23

Ysgol Y Gader

Gwynedd

23

Caerleon Comprehensive School

Newport

23.5

Sandfields Comprehensive School

Neath Port Talbot

23.5

Cowbridge Comprehensive School

The Vale of Glamorgan

24

St Martin's School

Caerphilly

24

Ysgol Botwnnog

Gwynedd

24

Ysgol Uwchradd Caereinion High School

Powys

24

Ysgol Y Creuddyn

Conwy

24

Band 3 Schools

Penyrheol Comprehensive School

Swansea

24.5

St Richard Gwyn Catholic High School

The Vale of Glamorgan

24.5

Welshpool High School

Powys

24.5

Ysgol Gyfun Gwynllyw

Torfaen

24.5

Birchgrove

Swansea

25

Queen Elizabeth High School

Carmarthenshire

25

Sir Thomas Picton School

Pembrokeshire

25

Ysgol Gyfun Gymraeg Bryn Tawe

Swansea

25

Bassaleg School

Newport

25.5

Dyffryn Taf

Carmarthenshire

25.5

Pontarddulais Comprehensive School

Swansea

25.5

Ysgol Uwchradd Glan Clwyd

Denbighshire

25.5

Connah's Quay High School,

Flintshire

26

Cwmcarn High School

Caerphilly

26

Duffryn High School

Newport

26

Maesteg Comprehensive School

Bridgend

26

St. David's High School

Flintshire

26

Argoed School

Flintshire

26.5

Corpus Christi Catholic High School

Cardiff

26.5

St.John Baptist High School

Rhondda Cynon Taf

26.5

Ysgol David Hughes

Isle of Anglesey

26.5

Ysgol Dyffryn Nantlle

Gwynedd

26.5

Ysgol Y Grango

Wrexham

26.5

Llanedeyrn High

Cardiff

27

St John Lloyd Catholic Comp School

Carmarthenshire

27

St Joseph's RC School and 6th Form Centre

Neath Port Talbot

27

Ynysawdre Comprehensive School

Bridgend

27

Blessed Edward Jones High School

Denbighshire

27.5

Cymer Afan Comprehensive School

Neath Port Talbot

27.5

Elfed High School

Flintshire

27.5

Heolddu Comprehensive School

Caerphilly

27.5

Ysgol Eifionydd

Gwynedd

27.5

Chepstow Comprehensive School

Monmouthshire

28

Crickhowell High School

Powys

28

King Henry VIII Comprehensive

Monmouthshire

28

Radyr Comprehensive School

Cardiff

28

Rhymney Comprehensive School,

Caerphilly

28

Ysgol Emrys ap Iwan

Conwy

28

Ysgol Uwchradd Aberteifi

Ceredigion

28

Brecon High School

Powys

28.5

Bryncelynnog Comprehensive School

Rhondda Cynon Taf

28.5

Dylan Thomas Community School

Swansea

28.5

Glan-y-Mor School

Carmarthenshire

28.5

Llanidloes High School

Powys

28.5

St. Illtyd's Catholic High School

Cardiff

28.5

Ysgol Y Gwendraeth

Carmarthenshire

28.5

Penglais School

Ceredigion

29

Ysgol Gyfun Y Strade

Carmarthenshire

29

Monmouth Comprehensive School

Monmouthshire

29.5

Ysgol Dewi Sant

Pembrokeshire

29.5

Brynmawr Foundation School

Blaenau Gwent

30

Pontllanfraith Comprehensive

Caerphilly

30

St Cyres School

The Vale of Glamorgan

30

Whitchurch High School

Cardiff

30

Cathays High School

Cardiff

30.5

Hartridge Comprehensive School

Newport

30.5

Ysgol Gyfun Pantycelyn

Carmarthenshire

30.5

Ysgol Syr Thomas Jones

Isle of Anglesey

30.5

Ysgol Uwchradd Tywyn

Gwynedd

30.5

Band 4 Schools

Abertillery Comprehensive

Blaenau Gwent

31

Barry Comprehensive School

The Vale of Glamorgan

31

Blaengwawr Comprehensive

Rhondda Cynon Taf

31

Newport High School

Newport

31

Rhyl High School

Denbighshire

31

Ysgol Dyffryn Teifi

Ceredigion

31

Ysgol Gyfun Cymer Rhondda

Rhondda Cynon Taf

31.5

Bishop Hedley High School

Merthyr Tydfil

32

Glan Afan Comprehensive School

Neath Port Talbot

32

Glyncoed Comprehensive

Blaenau Gwent

32

Gwernyfed High School

Powys

32

Ysgol Bro Ddyfi

Powys

32

Ysgol Y Berwyn

Gwynedd

32

Lliswerry High School

Newport

32.5

Pembroke School

Pembrokeshire

32.5

St. Albans R.C. High School

Torfaen

32.5

Ysgol Bro Gwaun

Pembrokeshire

32.5

Abersychan Comprehensive

Torfaen

33

Blackwood Comprehensive School

Caerphilly

33

Llantwit Major School

The Vale of Glamorgan

33

Rumney High School

Cardiff

33

Ysgol Gyfun Llanhari

Rhondda Cynon Taf

33

Hawthorn High School

Rhondda Cynon Taf

33.5

Michaelston Community College

Cardiff

33.5

Ysgol Gyfun Aberaeron Comprehensive

Ceredigion

33.5

Ysgol Gyfun Emlyn

Carmarthenshire

33.5

Lewis School Pengam

Caerphilly

34

Ysgol Friars

Gwynedd

34

St Julian's Comprehensive School

Newport

34.5

St Teilo's C-in-W High School

Cardiff

34.5

Tasker-Milward V.C. School

Pembrokeshire

34.5

Ysgol Gyfun Rhydywaun

Rhondda Cynon Taf

34.5

Ysgol John Bright

Conwy

34.5

Ferndale Community School

Rhondda Cynon Taf

35

Ysgol Gyfun Maes-Yr-Yrfa

Carmarthenshire

35

Coedcae Comprehensive School

Carmarthenshire

35.5

Denbigh High School

Denbighshire

35.5

Holywell High School

Flintshire

35.5

Milford Haven School

Pembrokeshire

35.5

St. Richard Gwyn Catholic High School

Flintshire

35.5

Bedwas High School

Caerphilly

36

Croesyceiliog School

Torfaen

36

Llantarnam School

Torfaen

36

Porth County Community

Rhondda Cynon Taf

36

Ysgol Ardudwy

Gwynedd

36

Aberdare High School

Rhondda Cynon Taf

36.5

Alun School

Flintshire

36.5

Fairwater High School

Torfaen

37

Gowerton Comprehensive School

Swansea

37

Tonypandy Community College

Rhondda Cynon Taf

37

West Monmouth School

Torfaen

37

Ysgol Greenhill School

Pembrokeshire

37

Band 5 Schools

Bryntirion Comprehensive.

Bridgend

37.5

Glyn Derw High School

Cardiff

37.5

St Cenydd School

Caerphilly

37.5

The Pontypridd High School

Rhondda Cynon Taf

37.5

Tonyrefail School

Rhondda Cynon Taf

37.5

Ysgol Maesydderwen

Powys

37.5

Ysgol Syr Hugh Owen

Gwynedd

37.5

Cantonian High School

Cardiff

38

Rhosnesni High School

Wrexham

38

Ysgol Uwchradd Bodedern

Isle of Anglesey

38

Caldicot School

Monmouthshire

38.5

Pentrehafod School

Swansea

38.5

Ysgol Clywedog

Wrexham

38.5

Afon Taf High School

Merthyr Tydfil

39

Morriston Comprehensive

Swansea

39

Tredegar Comprehensive School

Blaenau Gwent

39

Ysgol Bryn Alyn

Wrexham

39

Ysgol Uwchradd Caergybi

Isle of Anglesey

39

Ysgol Uwchradd Tregaron

Ceredigion

39

Brynteg School

Bridgend

39.5

John Beddoes School

Powys

39.5

Ysgol Gyfun Garth Olwg

Rhondda Cynon Taf

39.5

Risca Community Comprehensive

Caerphilly

40

Lewis Girls' Comprehensive School

Caerphilly

40.5

Pencoed Comprehensive

Bridgend

40.5

Ogmore School

Bridgend

41.5

Daniel James Community School

Swansea

42

Willows High School

Cardiff

42

Llanrumney High School

Cardiff

43

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