Irish Chemistry Olympiads

Irish Chemistry Olympiad 2020

The Irish Chemistry Olympiad (IChO) is a competition for Irish students in the final year of second level education who are under twenty on December 31st in the year of the competition.  Students from Northern Ireland (NI) and the Republic of Ireland (RoI) are invited to take part in the competition.

This year Round 1 will take place in Trinity College Dublin and Round 2 in Dublin City University.

Eligible students:

  • Should be sitting the Leaving Certificate / A-level examination or International Baccalaureate Diploma in 2020
  • Should be expected to get the highest marks in Chemistry from your School.
  • Must register on-line at  before 3rd February 20120. 
  • The selected students will be invited to take part in a test in TCD on Saturday, 15th February 2020.
  • Certificates of participation will be awarded to all participants.

All medal winners, along with a Highly Commended panel, will be invited to attend training in Dublin City University (DCU) over the Easter break from 6th – 9th April, 2020. The final team of 4 students will be selected during this time to represent Ireland at the International Chemistry Olympiad (IChO), which will take place in Istanbul, Turkey from the 6th – 15th July 2020. More information is available here: Further training will take place at the end of June/beginning of July to prepare the team for the international competition.


Schedule for 15th February 2019: 

10:30 – 10:50 h Registration at the Hamilton Building, Trinity College Dublin
11:00 – 12:00 h Paper 1 in the MacNeil Lecture Theatre
12:00 – 12:30 h Break
12:30 – 14:00 h Paper 2 in the MacNeil Lecture Theatre
14:00 – 15:00 h Break
15:00 h Medal Presentation Ceremony – All welcome to attend!


List of Finalists is available at IChO 2020 finalists list (updated 13/02/2020)

ISO Organisation Committtee 2020: Dr Cormac Quigley, GMIT, Dr Brian Murphy, AIT, Dr Pat O’Malley DCU, Dr Odilla Finlayson DCU, Dr Carl Poree, Dr John O’Donoghue TCD/RSC, Tom Conroy TCD. Funding acknowledged from North/South Cooperation Section, DES, TCD and the RSC.

For Queries: or


In 2019, Ireland was represented by Brian Durkan (St Muredach’s College, Ballina, Co Mayo), Oisin McCullagh (St Patrick’s College, Maghera, Co Derry), David Conneely (St Joseph’s College, Nun’s Island, Galway) and Mark Crawford (Dalriada School, Ballymoney, Co Antrim). Brian Durkan was awarded a bronze medal at the IChO 2019 (July 21st – 30th) in Paris, France.

Ireland Team at IChO 2019: Dr Brian Murphy, Mark Crawford,  Brian Durkan, David Conneely, Oisin McCullagh, Dr Cormac Quigley.

In 2017, Team Ireland won 3 Bronze medals at the 49th International Chemistry Olympiad in Thailand. Full details can be seen at IChO Archives.

Irish delegation at International IChO2017

List of Finalists

The list of finalists for IChO 2019 is available in IrChO 2019 Finalists.

Highly Commended Students

  • Mati Karski, Coláiste Éanna CBS – Rathfarnham, Dublin
  • Glenn Gilmartin, Institute of Education – Leeson St Lower, Dublin
  • David Kennedy, Gaelcholáiste Luimnigh – Sir Harry’s Mall, Limerick
  • Ishita Solanki, St.Louis High School – Rathmines, Dublin

Medal Winners

  • Ellen O’Carroll, Presentation Secondary School – Loughboy, Kilkenny
  • Conor Boylan, St. Mary’s CBS – Enniscorthy, Co Wexford
  • David Conneely, St. Joseph’s College – Nun’s Island, Galway
  • Auriel Guarino, Coleraine Grammar School – Coleraine, Co Londonderry
  • Conal Bonar, Saint Eunans – Letterkenny, Co Donegal
  • Mark W J Crawford, Dalriada School – Ballymoney, Co Antrim
  • Brian Durkan, St. Muredach’s College – Ballina, Co Mayo
  • Oisin McCullagh, St Patrick’s College Maghera – Maghera, Co Derry


IrChO 2019 Gold Medal winners – Brian Durkan and Oisin McCullagh


IrChO 2019 Silver Medal winners – Conal Bonar and Mark Crawford

IrChO 2019 Bronze Medal Winners – Auriel Guarino, David Conneely, Ellen O’Carroll, Conor Boylan

IrChO 2019 Highly Commended – Mati Karski, David Kennedy, Ishita Solanki, Glen Gilmartin


IrChO 2019 All winners with Scientific Committee – Dr Cormac Quigley (GMIT), Dr Pat O’Malley (DCU), Dr Mercedes Vasquez (DCU), Dr Brian Murphy (AIT) and Dr Odilla Finlayson (DCU)

IrChO 2019 Getting them Organised!!

IrChO 2019 During the examination


Irish Delegation for International Chemistry Olympiad 2019

All medal winners were invited to participate in Practical Training and after a further assessment, the top students were selected to represent Ireland at the IChO 2019 (July 21st – 30th) in Paris, France.

The Ireland Team was:

  • Brian Durkan (St Muredach’s College, Ballina, Co. Mayo)
  • Oisin McCullagh (St Patrick’s College, Maghera, Derry)
  • Mark W J Crawford (Dalriada School, Ballymoney, Co. Antrim)
  • David Conneely (St. Joseph’s College, Nun’s Island, Galway)

Ireland Team at IChO 2019: Dr Brian Murphy, Mark Crawford,  Brian Durkan, David Conneely, Oisin McCullagh, Dr Cormac Quigley.

Success at International Chemistry Olympiad 2019

One team member, Brian Durkan from St. Muredach’s College, Ballina, Co Mayo won a bronze medal at the prestigious international event. Congratulations!

Bronze Medal Winner Brian Durkan, with mentors Dr Cormac Quigley and Dr Brian Murphy at IChO 2019.