St. Mary's Secondary School
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Our Staff

School Leadership

Mr. Robert O’Reilly
Principal
Principal
Ms. Fiona Bourke
Deputy Principal
Deputy Principal

Teaching Staff
Teaching staff are listed alphabetically by surname.

Mr. Ciarán Allen
Geography, Physical Education
Assistant Principal II
Mr. Mark Barrett
Business, IT, LCW
Assistant Principal II
Ms. Pauline Carney
Guidance
Ms. Marie Clarke
Home Ec, Religion
Assistant Principal I
Ms. Patricia Clarke
Science, Home Ec, Biology
Ms. Abigail Conlon
Science, Physical Education, Biology
Ms. Reneé Cronin
Art
Ms. Joanne Cullen
History, Religion
Programmes Co-ord
Ms. Regina Deacy
Music
Assistant Principal II
Ms. Avril Durcan
Maths, Geography
Ms. Edel Devine
History, Religion
Assistant Principal II
Ms. Grace Devine
French, German
Mr. Dennis Feeley
Gaeilge, Maths
Assistant Principal I
Ms. Aoife Finnerty
Maths, Geography
Senior Cycle Co-ord
Ms. Anita Ginley
Home Ec, Religion, AEN Co-ord
Assistant Principal I
Ms. Leanne Ginty
Geography, AEN Co-ord
Assistant Principal II
Ms. Patricia Gordon
Maths, Business, LCW
Ms. Regina Hallahan
Home Ec, Religion
Assistant Principal II
Ms. Michelle Harrison
Gaeilge, English
Ms. Eva Healy
Maths, Geography
Ms. Annamarie Henry
English, SPHE
Assistant Principal I
Ms. Marina Judge
Gaeilge, Home Ec
Ms. Denise Kilgallon
Business, Religion
Home School Community Liaison
Mr. Colm Leonard
Maths, Graphics,Phy Chem
Ms. Annette Leonard
Physical Education, Biology, Phy Chem
Assistant Principal I
Ms. Sinead Leonard
English, SPHE
Assistant Principal II
Ms. Shauna Lyons
Business, Maths, LCW
Ms. Kara McFadden
French, German
Assistant Principal I
Ms. Mary McGregor
Science, Biology
Assistant Principal II
Ms. Caroline McMahon
History, Geography
Assistant Principal II
Ms. Roisín McManamy
Science, Maths, Chemistry
Ms. Maura Mulrooney
French, German
Ms. Maria Murphy
French, German
Ms. Sharon O’Hora
Art
Ms. Susan Rodgers
History, English
Assistant Principal I
Mr. Mark Ruttledge
Technology, Graphics
Ms. Jessica Wall
English, CSPE
Assistant Principal II
Ms. Sinead Walshe
Gaeilge, Home Ec

Special Needs Assistants

Ms. Sheila Casey
SNA
Ms. Rebecca Fleming
SNA
Ms. Sarah Mullarkey
SNA

Administration

Ms. Maria McMyler
Accounts Secretary
Ms. Amy Roche
Administrative Secretary

School Support Staff

Ms. Esther Cummons
Supervisor
Mr. Christy Donnelly
School Caretaker
Mr. Jonathan Jordan
School Caretaker
News
St. Mary
04-Jul-2026

St. Mary's Selected to Participate in the NCSE CREATE Initiative

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Best Wishes to Our State Examination Students
28-Jun-2026

Best Wishes to Our State Examination Students

As our Leaving Certificate and Junior Cycle students complete their State examinations, everyone at St. Mary's Secondary School would like to congratulate them on reaching this important milestone.
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Grace student finishes in second place internationally
23-Jun-2026

Grace student finishes in second place internationally

Congratulations to Grace Cunnane, who has been placed second in the International Young Reporters for the Environment
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