Universities
How we rank computer science universities
No single ranking tells the whole story. Each of the major tables measures something different, and each has known blind spots. So instead of republishing one provider's league table, we aggregate four of them into a single composite and show our working.
The four sources
- QS World University Rankings by Subject weighs academic and employer reputation surveys alongside research citations. Strong on global reputation, but survey-heavy.
- Times Higher Education (THE) by subject blends teaching, research quality, citations and international outlook. Broad, but computer science sits inside a wider subject grouping.
- Academic Ranking of World Universities (ARWU, the Shanghai ranking) focuses on research output and awards. Objective and hard to game, but it rewards long-established, large institutions.
- CSRankings ranks purely on publication counts at top computer science venues, computed from open data. Immune to reputation surveys, though it favours volume and is sensitive to how research areas are weighted.
How the composite is built
For each university we record its position in each of the four sources for the current year, convert each position to a normalised score, and average the scores a university actually appears in. A university ranked highly across all four rises to the top; one that only appears in a single table is treated with more caution. Every figure links back to the source it came from, and the year it applies to is always shown.
Structured facts about each university, such as country, city, founding year and official website, come from Wikidata, which publishes its data under a public-domain licence.
What we do not do
We do not reproduce any provider's ranking table in full. We cite individual positions, explain how they combine, and link back to the original. The composite is our own analysis, refreshed each year when the new tables are published, ahead of the autumn application season.