Irish Junior Science Olympiad

IrJSO 2022

Unfortunately we’re again not able to run IrJSO in 2022. We really hope to be back in 2023.

IrJSO 2020 and 2021

Due to circumstances related to Covid-19, IrJSO did not run in 2020 and 2021.

IrJSO 2019

Welcome to IrJSO 2019 and congratulations if you have received a letter inviting you to participate in IrJSO this year.

The IrJSO competition was held on SATURDAY 2nd November 2019 in DCU (Glasnevin Campus).

The Irish Junior Science Olympiad (IrJSO) is a science competition for students who are under sixteen on December 31st of the year of the competition. Finalists qualify through the Junior Certificate Examinations and are identified by the State Examinations Commission (SEC).  ONLY students who have received an invitation may participate. Substitutes or replacements are not acceptable.  If you completed Junior Certificate in 2019, achieved high grades in Science and Maths and were born in 2004, then check with your school Principal to see if a letter of invitation has been sent to you.

At the IrJSO competition, all participants will receive a certificate. The top three students are awarded gold medals, the next three silver and the next three bronze. The gold & silver medal winners represent Ireland at the annual International Junior Science Olympiad (IJSO) in December in Qatar ( The bronze medal winners are on the reserve list. The top student in the competition will be awarded the Paraic James Memorial Trophy.

Click HERE for frequently asked questions.

Please complete the application form that you have received and return it to the address on the form by the 29th October 2019.

The list of finalists is available HERE. The name as it appears in this list will be as it appears on the Certificate. If your name is incorrect or is not on the list, then please contact Odilla Finlayson as soon as possible (

Competition will take place in DCU on Saturday 2nd November 2019.

Schedule for 2nd November 2019:
10:00 – 10.50 h Registration in Business School, DCU (Glasnevin Campus) [arrive anytime between 10.00 and 10.40 h]
11:00 – 13:30 h Selection Examination (QG15)
13:30 – 14:30 h Break (free time)
14:30 – 15:30 h Awards Ceremony in DCU Stokes Extension (SA101)

International Competition 2019

Gold and Silver medal winners represented Ireland at the International Junior Science Olympiad (IJSO) which took place in Doha, Qatar from the 3rd – 12th December 2019. Team Ireland was represented by:

  • Nina Keating (Mount Mercy College, Model Farm Road, Co. Cork)
  • Rohan Devereux (Gonzaga College SJ, Ranelagh, Co. Dublin)
  • Rónán Zaletel (Coláiste Na Coiribe, Knocknacarra, Co. Galway)
  • Taiga Murray (St. Benildus College, Stillorgan, Co. Dublin)
  • Luke Minogue (Coláiste Éamann Rís, Callan, Co. Kilkenny)
  • Ciaran Pradeep (Breifne College, Coothill Road, Co. Cavan)


Team Ireland at IJSO 2019

Success at 16th International Junior Science Olympiad 2019

Taiga Murray (St. Benildus College, Stillorgan, Dublin), Ciaran Pradeep (Breifne College, Cavan), Rónán Zaletel (Coláiste Na Coiribe, Knocknacarra, Galway) and Rohan Devereux (Gonzaga College SJ, Ranelagh, Dublin) were awarded Bronze medals at the event. Congratulations!

Medal Winners (IrJSO 2019)

  • Bronze Medal winners 2019 

    Rohn Allen Santiago, Confey Community College, Leixlip, Co. Kildare
    Tija Tony, St. Aloysius’ College, Carrigtwohill, Co. Cork
    Rayan Yahyaoui, St. Enda’s College, Salthill, Co. Galway

Bronze Medal winners IrJSO2019


  • Silver Medal winners 2019

    Nina Keating, Mount Mercy College, Model Farm Road, Co. Cork
    Rohan Devereux, Gonzaga College SJ, Ranelagh, Co. Dublin
    Rónán Zaletel, Coláiste Na Coiribe, Knocknacarra, Co. Galway

Silver Medal winners IrJSO2019


  • Gold Medal winners 2019

    Taiga Murray, St. Benildus College, Stillorgan, Co. Dublin OVERALL WINNER
    Luke Minogue, Coláiste Éamann Rís, Callan, Co. Kilkenny
    Ciaran Pradeep, Breifne College, Coothill Road, Co. Cavan

Gold Medal winners IrJSO2019

IrJSO2019 all medal winners