The Irish Olympiad of Experimental Science (IrEOES) is an individual science competition for Transition Year and Fifth Year students who are under seventeen on December 31st of the year that the competition starts. Round 1 takes place online in October or November and is accessible to any eligible student who wants to take part. The top students from Round 1 are invited to attend Round 2 in Dublin City University (DCU) in December or January. One gold, one silver and four bronze medals are awarded in the biology, chemistry, and physics competitions.
IrEOES Archive
2024-2025 IrEOES/EOES
The Irish Olympiad of Experimental Science (IrEOES) is an individual science competition for Transition Year and Fifth Year students. The first round takes place online and is accessible to any eligible student who wants to take part. In 2024-2025, you were eligible if you live and go to school in Ireland, were in Transition Year or in Fifth Year, and were born on or after 1st January 2008.
Both Irish teams won a bronze medal at EOES2025 in Zagreb. They each did two challenging experimental tasks. The theme of task 1 was about the waters of Croatia. The students investigated freshwater macroinvertebrates, extracting salt from sea water, and determining the refractive index of sea water. Task 2 was organised around time and change and involved spectrophotometry, drag, and biological kinetics.
Team training
April 15th and 16th brought two fun days full of team tasks, bonding, and honing some experimental skills. Zagreb here we come!
Round 3
Round 3 of IrEOES 2024-2025 took place on the Glasnevin campus of Dublin City University on the 16th and 17th of January, 2025. We had great fun, as always, during training. It was hard to separate the top two students in each subject, but in the end we selected Marné, Prayag, Rowan, Tobi, Xelaya, and YuHan to represent Ireland at EOES2025.
Round 2
Round 2 of IrEOES 2024-2025 took place on the Glasnevin campus of Dublin City University on Saturday November 9th 2024. We invited the ~30 best performing students in each subject in Round 1 to take part.
Photos of all medal winners below. Congratulations to all!
| Biology | ||
| gold | Tobi O’Sullivan | Bandon Grammar School, Bandon, Co. Cork |
| silver | Yuhan Xue | Coláiste Éinde, Salthill, Co. Galway |
| bronze | Kate Kissane | Rathdown School, Glenageary, Co. Dublin |
| bronze | Aneya Brijesh Maddheshia | Dominican College, Dublin |
| bronze | Daniel Bernard | Drogheda Grammar School, Drogheda, Co. Louth |
| bronze | Jeffery Zhu | Institute of Education, Dublin |
| Chemistry | ||
| gold | Prayag Ratheeshbabu | Colaiste Chriost Ri, Cork |
| silver | Aditi Kadam | Institute of Education, Dublin |
| bronze | Freeman Chu | Oatlands College, Stillorgan, Co. Dublin |
| bronze | Oisín Ferrie | Sandford Park School, Dublin |
| bronze | Xelaya Anthony | St Aloysius’ Secondary School, Cork |
| bronze | Juyoung Lee | Presentation Brothers College Cork |
| Physics | ||
| gold | Rowan Kelly | Ramsgrange Community School, New Ross, Co. Wexford |
| silver | Seán Mullane | Blackrock College, Dublin |
| bronze | Marné Malan | Institute of Education, Dublin |
| bronze | Zoe Meiforth | Bandon Grammar School, Bandon, Co. Cork |
| bronze | James McCormack | Calasanctius College, Oranmore, Co. Galway |
| bronze | Kyle Li | Drogheda Grammar School, Drogheda, Co. Louth |
Round 1
Round 1 of IrEOES 2024-2025 took place online on Saturday October 5th 2024, from 11 a.m. to 12 noon. We had a record number of participants: 162 in biology, 71 in chemistry, and 63 in physics. Thanks to all students for participating and to teachers, friends, and family for encouragement.
2023-2024 IrEOES/EOES
The Irish Olympiad of Experimental Science (IrEOES) is an individual science competition for Transition Year and Fifth Year students. The first round takes place online and is accessible to any eligible student who wants to take part. In 2023-2024, you were eligible if you live and go to school in Ireland, were in Transition Year or in Fifth Year, and were born on or after 1st January 2007.
Both Irish teams won a bronze medal at EOES2024 in Luxembourg. They each did two challenging experimental tasks. Task 1 was about cancer. The students investigated cellular metabolism, toxic chemicals, ionising radiation, UV light, and replication errors. Task 2 was about D’Schueberfouer, the annual Luxembourg City funfair. Students analysed three Luxembourg delicacies (Lët’z limo, Luxembourg mustard, and gebaakene Fësch), roller coasters, and LEDs.
Our final two days of training for EOES2024 in Luxembourg took place in Dublin City University on Monday 26th and Tuesday 27th February, 2024.
We did a good bit of lab work and team work and had a lot of fun along the way. We decided to team up as Sarah, Eoin, & Yitian and Stephanie, Kai, & Shane.
Round 3 of IrEOES 2023-2024 took place in Dublin City University on Thursday 18th and Friday 19th January, 2024.
As always we had a lot of fun doing experiments in the students’ subject specialism. We have some great young scientists in the country! In the end we selected Eoin Lai, Kai Seino, Sarah Bowen, Shane Loughlin, Stephanie Rimbi, and Yitian Chen to represent Ireland at EOES2024.
Round 2 of IrEOES 2023-2024 took place in Dublin City University on Saturday 11th November, 2023.
A total of 83 students took part: 30 in Biology, 30 in Chemistry, and 23 in Physics. As always the contestants were given a fair but challenging test. Many thanks to Natalija Aleksejenko, Roisin Byrne, Niamh Donnelly, Emmet Kerr, and Caoilte O Rourke O Cuirrin for helping out on the day.
The 6 medal winners in each subject are:
Biology
| gold | Dara Morley | St. Colman’s College, Claremorris, Co. Mayo |
| silver | Sarah Bowen | St. Raphaela’s Secondary School, Kilmacud, Co. Dublin |
| bronze | Patrick Chen | St. Gerard’s College, Bray, Co. Wicklow |
| bronze | Maya Lenehan | Abbey Vocational School, Donegal |
| bronze | Trea Mac Cinna | St. Louis Secondary School, Monaghan |
| bronze | Stephanie Rimbi | Dominican College, Taylor’s Hill, Galway |
Chemistry
| gold | Yitian Chen | St. Andrew’s College, Booterstown, Co. Dublin |
| silver | Shane Loughlin | Calasanctius College, Oranmore, Co. Galway |
| bronze | Daria Bokovenko | St. Gerard’s College, Bray, Co. Wicklow |
| bronze | Haleema Lamidi | Dominican College, Taylor’s Hill, Galway |
| bronze | Lily Power | Scoil Mhuire, Cork |
| bronze | Alison Wang | St. Columba’s College, Whitechurch, Dublin |
Physics
| gold | Saachi Singh | Mount Anville Secondary School, Dublin |
| silver | Eoin Lai | Institute of Education, Dublin |
| bronze | Xelaya Anthony | St. Aloysius Girls Secondary School, Cork |
| bronze | Siobhan O’Brien | Loreto Secondary School, Letterkenny, Co. Donegal |
| bronze | Charlie O’Leary | Castletroy College, Co. Limerick |
| bronze | Kai Seino | Mercy Secondary School, Tralee, Co. Kerry |
Round 1
Round 1 of IrEOES 2023-2024 took place online on Saturday October 7th 2023, from 10-11 a.m. There were some 150 students taking part in the biology competition, and about 60 each in the chemistry and physics competitions. The questions ranged from straightforward to very challenging.
2022-2023 IrEOES/EOES
Ireland took part in EOES2023 in Riga, Latvia, from April 29 to May 6, 2023. Both Team A (Christian Domsa, Anastasia Vakaloudi, and Melanie Stolbova) and Team B (Lorne Walsh, Yanko Yanchev, and Calvin She) took home a bronze medal. Keith Rochfort, Roisin Byrne, and Paul van Kampen were the mentors. Congratulations and well done to everybody!
Training
The two Irish teams took their final training for the 2023 European Olympiad of Experimental Science (EOES) on Tuesday 28th March and Wednesday 29th March 2023 in Dublin City University.
Round 3 of IrEOES 2022-2023 took place in Dublin City University on Monday 27th and Tuesday 28th February, 2023.
We had two fun days of experimentation in the specialist science subject. Many thanks to all students for creating a great atmosphere. You’re all amazing scientists! The lucky people to have made it on to the Ireland EOES2023 team are Anastasia Vakaloudi, Calvin (Yilong) She, Christian Domsa, Lorne Walsh, Melaniya Stolbova, and Yanko Yanchev.
Round 2 of IrEOES 2022-2023 took place in Dublin City University on Saturday 21st January, 2023.
A total of 74 students took part: 28 in Biology, 19 in Chemistry, and 27 in Physics. The standard was incredibly high. Many thanks to Caoilte O Rourke O Cuirrin, Natalija Aleksejenko, Orlaith Condon, Paul Grimes, Roisin Byrne, and Toby Segasby for helping out on the day.
After the competition, the students were treated to an interdisciplinary lecture by Dr. Adam Murphy of DCU on grain-4-lab.
The 6 medal winners in each subject are:
Biology
| gold | Lorne Walsh | St. Columba’s College, Whitechurch, Dublin |
| silver | Rachel Shaw | St. Columba’s College, Whitechurch, Dublin |
| bronze | Ashen Wijayaratne | Templeogue College, Dublin |
| bronze | Christian Domsa | Colaiste de Lacy, Ashbourne, Co. Meath |
| bronze | Fiona Evans | Calasanctius College, Oranmore, Co. Galway |
| bronze | John Paul Holden | CBS Kilkenny, Co. Kilkenny |
Chemistry
| gold | Anastasia Vakaloudi | Scoil Mhuire, Cork |
| silver | Frances Hardy | Dominican College, Taylor’s Hill, Galway |
| bronze | Elizabeth Hart | St. Columba’s College, Whitechurch, Dublin |
| bronze | Raghav Rashgotra | Presentation Brothers College, Mardyke, Co. Cork |
| bronze | Sara Posiewka | St Mary’s College, Dundalk, Co. Louth |
| bronze | Yanko Yanchev | Tullamore College, Tullamore, Co. Offaly |
Physics
| gold | Yitian Chen | St. Andrew’s College, Booterstown, Co. Dublin |
| silver | Yilong She | St. Columba’s College, Whitechurch, Dublin |
| bronze | Anna McKernan | Calasanctius College, Oranmore, Co. Galway |
| bronze | Biye Guo | Mercy Secondary School, Tralee, Co. Kerry |
| bronze | Melaniya Stolbova | Dominican College, Taylor’s Hill, Galway |
| bronze | Thomas Murphy | Good Counsel College, New Ross, Co. Wexford |
Round 1 of IrEOES 2022-2023 took place online on Saturday November 12th 2022.
A total of 203 students took part, 96 in Biology, 41 in Chemistry, and 66 in Physics. A huge thanks to all the teachers who brought the competition to the attention of their students.
2021-2022 IrEOES/EOES
Ireland took part in EOES2022 in Hradec Králové, Czech Republic, from May 8 to May 14, 2022. Team A (Manahil Sabir, Dominika Ryzwanowicz, and Ben Gaughran) won a silver medal and Team B (Joe O’Grady, Aimee Bonar, and Lucy Garrett) took home a bronze. Congratulations and well done to all!
Round 3 of IrEOES 2021-2022 took place in person in Dublin City University on February 21st and 22nd, 2022.
Seventeen students participated in 1.5 days of training and an experimental test. Many thanks to all students and staff who made it two very nice days for everybody. In the end, six students were selected to represent Ireland at the 2nd EOES. Huge congratulations to Aimee Bonar, Lucy Garrett, Ben Gaughran, Joe O’Grady, Manahil Sabir, and Yilong (Calvin) She.
Round 2 of IrEOES 2021-2022 took place in person in Dublin City University on Saturday January 22nd, 2022.
A total of 90 students took part, 36 in Biology, 30 in Chemistry, and 24 in Physics. The standard was incredibly high. Many thanks to Martyna Bartusiak, David Cullinane, Eamonn Cunningham, Deirdre Delaney, Melissa Finnegan, Enda McGlynn, John Noone, and Fiona O’Connor for helping out on the day.
After the competition, the students were treated to an interdisciplinary lecture by Dr. Jennifer Gaughran of DCU on microfluidics and compostable plastics.
The 6 medal winners in each subject progress to Round 3. They are:
| Biology | ||
| gold | Brigid O’Reilly | Coola Post-Primary School, Sligo |
| silver | Joe O’Grady | Gonzaga College SJ, Dublin |
| bronze | Sarah McGovern | St. Vincent’s Secondary School, Dundalk, Co. Louth |
| bronze | Sanjay Menon | Sandford Park School, Ranelagh, Dublin |
| bronze | Ava Murphy | Midleton College, Midleton, Co. Cork |
| bronze | Manahil Sabir | St. Aloysius School, Cork, Co. Cork |
| Chemistry | ||
| gold | Aimee Bonar | Loreto Letterkenny, Letterkenny, Co. Donegal |
| silver | Yilong She | St. Columba’s College, Whitechurch, Dublin |
| bronze | Ahron Shibbu Mathew | St. Oliver’s Community College, Drogheda, Co. Louth |
| bronze | Ruadhán Ó Conaire | St. Colman’s College, Claremorris, Co. Mayo |
| bronze | Dominika Ryzwanowicz | Fingal Community College, Swords, Co. Dublin |
| bronze | Seamus Stritch | Hazelwood College, Dromcollogher, Co. Limerick |
| Physics | ||
| gold | Fionn Kimber O’Shea | Christian Brothers College, Cork |
| silver | Benjamin Gaughran | St. Brendan’s College, Killarney, Co. Kerry |
| bronze | Tomás Casado | St. Columba’s College, Whitechurch, Dublin |
| bronze | Qingyi Chen | Mount Anville Secondary School, Goatstown, Co. Dublin |
| bronze | Lucy Garrett | Dominican College, Taylor’s Hill, Galway |
| bronze | Oscar Sun | St. Andrew’s College, Booterstown, Co. Dublin |
Round 1 of IrEOES 2021-2022 took place online on Saturday November 6th, 2021. A total of 230 students took part, 111 in Biology, 57 in Chemistry, and 62 in Physics. A huge thanks to all the teachers who brought the competition to the attention of their students.