​Pennaeth / Headteacher
Mrs E Jones

Dirprwy Bennaeth / Deputy Headteacher
Mrs A Williams
 
Uwch Dîm Arwain/ Senior Leadership  Team
Mrs E Jones
Mrs A Williams
Miss L Edwards
Miss N F Jones
Mrs S Jenkins-Jones
​Mr Owain James ​
 
Tîm Lles / Wellbeing Team
Miss A Jones (Pennaeth Lles a Chynnydd / Head of Progress and Wellbeing)
Miss R Chadwick (ALENCo)
Mrs Jenkins-Jones Chweched Dosbarth
Miss A  Scourfield (Bl 11 / Yr 11)
Mr G Davies (Bl 10 / Yr 10)
Mr M Hermann (Bl 9 / Yr 9)
Mr O James (Bl 8 / Yr 8)
Miss A Lewis  (Bl7 / Yr 7)
 
Celfyddydau Mynegiannol / Expressive Arts
Mrs B Cuddihy (Arweinydd Maes / Area Leader)
Mrs B Lewis (Arweinydd yr Adran Gerddoriaeth /Music Department Leader)
Mrs C Jones (Arweinydd yr Adran Drama / Drama Department Leader)
​Miss M Phillips 
 Instagram: @celfyddyau_gic

Iechyd a Lles / Health and Wellbeing
Miss E Huxtable (Arweinydd Maes / Area Leader)
Mr G Davies 
Miss N Hughes
Miss R Chadwick
Mr H Evans
Miss L Harris
Mr T Evans 
  Instagram: @miss_hux1 
 
Dyniaethau / Humanities
Miss N M Jones (Arweinydd Maes / Area Leader)
Ms S Jenkins (Arweinydd yr Adran Astudiaeth Grefyddol / RE Department Leader)
Miss A Lewis (Arweinydd yr Adran Hanes / History Department Leader)
Mrs A Evans
Mr G Powell 
Mr M Herman 
Ms K Cartwright 
  Instagram: @dyniaethau_gic 


Ieithoedd, Llythrennedd a Chyfathrebu / Languages, Literacy and Communication
Miss R Hamer (Arweinydd Maes / Area Leader)
Miss N Jones (Arweinydd Adran y Gymraeg / Welsh Department Leader)
Miss B Goldsmith
Ms E Williams 
Miss H Evans 
Mrs Rh England 
Mr T Evans 
Mr M Ward
 Instagram: @cymraaeggwentiscoed
Miss Ff Davies  (Arweinydd yr Adran Saesneg / English Department Leader)
Mrs B Simons
Mr O James  
Miss A Lewis 
Ms K Cartwright
​Miss Ffion Edmunds
  Instagram: @saesneggwentis
Miss R Hamer  (Arweinydd yr Adran Ieithoeddd Modern / MFL Department Leader)
Mrs Rh England 
Mrs A Williams
Miss A Scourfield
Instagram: @ieithoeddrhyngwladolgic 

Gwyddoniaeth a Thechnoleg / Science and Technology
Mr D Jones (Arweinydd Maes / Area Leader)
Mr M Ap Tomos 
Mr H Evans (Arweinydd yr Adran Ffiseg / Physics Department Leader)
Mr B Corbett (Arweinydd yr Adran Cemeg / Chemistry Department Leader)
Ms L Scott
Mr Rh Lake (Arweinydd yr Adran TGCH / ICT Department Leader)
Mrs N Hughes 
   Instagram: @gwyddatech_gic

Mathemateg a Rhifedd / Mathematics and Numeracy
Mr M Davies (Arweinydd Maes / Area Leader)
Mr Y James
Mr A Price
Ms L Scott
  Instagram: 

Tîm Cefnogi Dysgu / Learning Support Staff
Mr A Lavelle
​Miss A Henson

  Instagram: @adranADYGIC
 
Tîm Gweinyddol / Administration Team
Mrs M Turnbull (Rheolwr Busnes yr Ysgol / School Business Manager)
Mrs R Morgan (Swyddog Data / Data Officer)
Miss J Smith (Swyddog Cefnogi Ysgol / School Support Officer)
​Ms I Elliott