Caitriona Jackman went to secondary school at Crescent College Comprehensive in Limerick. From there, she did a degree in Applied Physics at the University of Limerick. During that time she did a 9-month co-op placement at the Mullard Space Science Laboratory in Surrey. After graduation she moved to the University of Leicester to do a PhD in Planetary Science. She is now working as a postdoctoral researcher at Imperial College London.