He was awarded first-class honours in classical moderations, literae humaniores, jurisprudence and modern history, making him distinguished academically.

[3] From 1879 to 1886, Jayne was Principal of St David's College, a university institution in the small Welsh town of Lampeter.

[4] During his time there, he steered the institution through the difficult years following the 1880 Aberdare Report on intermediate and higher education in Wales.

He published an article called Successful Public-House Reform[7] discussing the virtues of the Scandinavian Gothenburg system for managing pubs etc.

[9] He followed up two months later clarifying what he regarded as Britain‘s duty ‘We are fighting, not only for ourselves and the safety of our Empire, but for the very life of Christian civilisation, for the cause of righteousness, honour and liberty, for the independence of smaller states ... and ultimately for the peace of the world.’[10] He instigated a Roll of Honour with names of his clergy and their families who had volunteered for the Forces.

[11] His increased workload led his staff to compel him to ‘abstain from all duties’ and to rest[8] but his health remained fragile until and after his retirement.