HESA Student Staff Ratios (SSRs) 

The student: staff ratio (SSR) is designed to show the total number of students per member of academic teaching staff. The SSR is calculated using the student and staff full-time equivalent (FTE).

Data extracted on Apr 2023

Source: HESA Heidi Plus 

All levels (Undergraduate, Postgraduate Taught and Postgraduate Research) and academic loads (Full-time and Part-time) included

See further background: https://www.hesa.ac.uk/support/definitions/technical