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UCD offers the broadest and most diverse Science programme in Ireland, with degree courses in biological, biomedical, chemical, geological, mathematical, physical and computer sciences, all delivered by lecturers at the forefront of teaching and research.


UCD Science offers the following undergraduate programmes:

  • SCU1 Science
  • CSSA Computer Science
  • BSS3 Actuarial & Financial Studies

SCU1 Science
The first year of the Common Entry SCU1 Science course is designed to enable you to sample a number of subjects in your chosen area. The UCD Science SCU1 course offers 22 subjects categorised into the following streams:

  • Biological, Biomedical & Biomolecular Sciences
  • Chemistry & Chemical Sciences
  • Mathematical, Physical and Geological Sciences

Is SCU1 Science a General Science degree?
SCU1 is not a “General Science” degree; it is a common entry course where students specialise in one of 22 subjects for their final degree (e.g. BSc Financial Mathematics, BSc Geology, BSc Chemistry etc).

Why should I choose a Common Entry Science course?
This course is ideal if you are undecided about which area of Science interests you most as students have the flexibility to explore the full range of Science subjects.

The flexible curriculum allows students to specialise in First Year should they know what they want to study. For example, if you are only interested in Physics, you can focus your studies from First Year onwards in Physics.

The number of compulsory modules has been kept low to allow to you try out other subjects that you may not be familiar with or to deepen your interest in the areas that you wish to pursue to degree level. Students make an informed decision about their degree subject at the end of Second Year.

When do I select my degree major in SCU1 Science?
At the end of First Year, students choose a minimum of two subjects to study in Second Year (for example Statistics and Financial Mathematics). Students will major in one of these subjects in Third and Fourth Year.

CSSA Computer Science
The CSSA Computer Science course is mainly a software engineering degree and is suitable for students with or without previous programming experience. There is no assumption that students have prior programming experience and all students will take introductory programming modules in First Year. At the end of Second Year, students have the option to major in either Computer Science or Computer Science with Data Science.

BSS3 Bachelor of Actuarial & Financial Studies
The BSS3 Bachelor of Actuarial & Financial Studies (BAFS) is designed for students interested in becoming actuaries. This course offers the maximum exemptions from the Core Technical and Core Application exams and is designed for students interested in becoming actuaries. Students complete a professional work Placement in third year that is integrated as part of the course in a financial institution or insurance company and equates to half the year’s work.

Significant advances in scientific understanding are most often achieved by interdisciplinary research, which is conducted within each school, across schools and colleges in UCD, and with researchers and institutions across the world. There are several centres of interdisciplinary collaboration within UCD to which many of our Principal Investigators are aligned:

“I’m from Boston, Massachusetts, USA and fell in love with UCD following a family visit to Ireland. The community feel of the University alongside the modern academic facilities really appealed to me. The campus, staff and student life in UCD has been so welcoming over the past few years that Dublin has started to feel like home. I am currently working in the Pharmaceutical industry as a Pharmacovigilance Specialist at IQVIA.”
Courtney Greene, Graduate