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Following Prime Minister Rishi Sunak's plan for students to study mathematics up to the age of 18, read �°Ŀ���President Ulrike Tillmann's article '', originally published in Times Higher Education on 5 February, highlighting the urgent need to avoid 'maths deserts' in the UK and stressing the continuing need for funding for UK mathematics departments. Nb: the article is behind a paywall but you can read the full text below.

Last updated: 8 February 2023

The UK cannot afford to cut the ‘M’ from ‘STEM’.

Rishi Sunak’s recent announcement was welcome. As he said in his speech, “in a world where data is everywhere and statistics underpin every job, our children’s jobs will require more analytical skills than ever before. And letting our children out into the world without those skills is letting our children down.”

But Sunak’s plan has one glaring omission: higher education.

The arithmetic for university mathematics departments across the UK increasingly does not add up. Since the abolition of student number caps by George Osborne, some institutions have been drawing in record numbers of students, while others are struggling to recruit sustainable cohorts. As universities face ever-greater financial pressure from high inflation and real-terms declines in the value of the domestic tuition fee, these recruitment problems put the departments concerned under threat. 

The big recruiters tend to be the larger, older departments at Russell Group universities. In that sense, mathematics is becoming an almost exclusively high-tariff, big-city degree. Outside the cities, where the tariffs tend to be lower, we risk seeing the emergence of “maths deserts” – swathes of the country with no opportunities for maths education beyond A level. 

Maths deserts would be bad news for the nation. An ongoing flow of mathematicians from all backgrounds maximises the talent pool available to meet the challenges of an ever-changing world. Maths may not offer immediate results in terms of innovation and economic growth, but – as Sunak’s announcement implicitly recognises – it underpins every scientific and technological leap forward, from space travel to shortening ambulance waiting times.

Research by Deloitte estimated that the mathematical sciences already add more than £200 billion to the UK economy. As Baroness Brown, chair of the House of Lords’ Science and Technology Committee recently , "without a sufficiently skilled STEM workforce, we are hindering the potential to unlock productivity and economic growth or achieve ambitions for net zero, energy security or becoming a ''."

The avoidance of maths deserts is also necessary to fulfil the government’s ambition to level up the country. Mathematics is one of the best degrees in terms of future earnings: Deloitte calculated the salary premium for advanced maths skills to be around £8,000 a year.

However, students from lower-income and BAME backgrounds, as well as mature students, are much less likely to go to university outside their local areas. So if they live in a maths desert, any hopes of using a maths degree to obtain upward social mobility will be a mirage.

Even in areas where high-quality mathematics provision exists, financial pressures may limit access for non-traditional students. That is especially true for mature learners. For instance, a , such as the tripling of tuition fees, are putting severe strain on lifelong learning in general, and on Birkbeck, University of London in particular, 88 per cent of whose students are over the age of 21 and 65 per cent of whom are from BAME backgrounds.

As a result, Birkbeck’s mathematics and statistics department stands to lose almost half of its teaching staff. But, as stated in a joint-letter signed by the presidents of the UK’s mathematical sciences societies, this may "render the Birkbeck degree in mathematics and statistics untenable". 

If universities across the country follow Birkbeck’s lead, maths deserts will become a reality. Though the funding cuts for departments may be slow to begin with, their impact will reduce the scope and diversity of the mathematics pipeline. Grant holders, for instance, will see the writing on the wall and leverage their funding to secure positions elsewhere – and the loss of their funding and status will make the demise of their former department all the more likely. Such "academic flight" has already been seen at the University of Leicester, for instance.

If Sunak remains prime minister long enough to implement his plan, there will be more people qualified to study maths at university and there will be an increased demand for maths teachers. Even if his plans are not implemented, it is inevitable that maths will become more important (also as a basis for other subjects) and will drive demand for university courses.

But it will take a number of years for any effect to be felt by university departments in terms of increased student demand. By then, if we are not careful,  many departments may already have closed, and rebuilding departments is as difficult as re-greening a desert. In reality, it would be the large Russell Group departments that would absorb any new demand that might arise.

If the government is really serious about its scientific and egalitarian ambitions, then, it needs to act now to ensure that the subject that Carl Friedrich Gauss called “the Queen of the Sciences” remains a common denominator across English universities.

Professor Ulrike Tillmann is president of the London Mathematical Society.