3 Best Computer Science & IT Universities in Leinster

Trinity College Dublin leads the 3 Computer Science & IT universities in Leinster at #75 in the QS World University Rankings 2026. University College Dublin (QS World #118) and Dublin City University (QS World #410) complete the top three. Across the whole list there are 6 courses to choose from.

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Universities 3 Programs 6 Scholarships 8

3 universities · ranked best first

how we rank

1Best overall

QS World #75 #1 in Ireland Dublin, Leinster, Ireland

Trinity College Dublin

Public University · 1 course in Computer Science & IT

Mastering AI in Digital Marketing - Micro-credential

EUR 21,000 – EUR 28,500/yrTuition (indicative)

1592Founded

20,000Students

6,000International

Admissions open

#75 QS World University Rankings 2026

#1 in Ireland

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2Top pick

QS World #118 #3 in Ireland Dublin, Leinster, Ireland

University College Dublin

Public University · 3 courses in Computer Science & IT

EUR 20,500 – EUR 27,500/yrTuition (indicative)

1854Founded

33,000Students

9,000International

Admissions open

#118 QS World University Rankings 2026

#3 in Ireland

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3Top pick

QS World #410 #7 in Ireland Dublin, Leinster, Ireland

Dublin City University

Public University · 2 courses in Computer Science & IT

EUR 15,500 – EUR 21,000/yrTuition (indicative)

1975Founded

19,000Students

3,000International

Admissions open

#410 QS World University Rankings 2026

#7 in Ireland

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How these universities are ranked

3 of these universities hold a QS World position, from #75 (Trinity College Dublin) to #410 (Dublin City University); they are listed first, in that order. Below them, universities follow their research output: Trinity College Dublin is cited most (8,069,949 citations).

Public, private and where they are

3 are public and 0 private (100% public). By location, Leinster (3) account for the most of those we can place. The oldest is Trinity College Dublin, founded in 1592. University College Dublin is the largest, with 33,000 students.

What the courses look like

By level: 3 bachelor's and 2 master's. The usual length is Four Years and 6 weeks. 100% are full-time. Start dates lean to Fall (100% of courses with a stated intake). University College Dublin offers the widest choice, with 3 of these courses.

What it costs

We hold indicative fees for 3 of these universities. Dublin City University is the least expensive at USD 20,000 a year and Trinity College Dublin the most at USD 27,000; the middle of the range is about USD 26,000. Check each university's own fee page before you budget — figures change every year.

Frequently asked questions

What are the top universities for Computer Science & IT in Leinster?

Trinity College Dublin (QS World #75), University College Dublin (QS World #118) and Dublin City University (QS World #410) lead this list. QS World positions come first; the rest are ranked by research impact.

Which is the cheapest university for Computer Science & IT in Leinster?

Of those with published fees, Dublin City University is the least expensive at about USD 20,000 a year. Fees are indicative — confirm on the university's site.

How many public universities offer Computer Science & IT in Leinster?

3 public and 0 private universities are on this list.

How long does a Computer Science & IT course take in Leinster?

Most listed courses run Four Years, with 6 weeks the next most common.

When do Computer Science & IT courses start in Leinster?

Fall is the main intake — 100% of courses with a stated start date begin then.

Which university has the most Computer Science & IT courses in Leinster?

University College Dublin, with 3, ahead of Dublin City University (2).

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