After university, Clarke spent a year working for the BBC in London. She then returned to Cardiff, where she gave birth to her daughter, Catrin, and two sons. About Catrin she wrote a poem under her name. Clarke worked as an English teacher, first at the Reardon-Smith Nautical College and later at Newport College of Art.
In the mid-1980s she moved to rural Ceredigion, West Wales, with her second husband, after which she spent some years teaching creative writing at the University of Glamorgan. In 1990 she was a co-founder of Tŷ Newydd, a writers' centre in North Wales.
Her poetry is studied by GCSE and A Level students throughout the United Kingdom. A considerable number of her poems are used in the GCSE AQA Anthology. She has given poetry readings and lectures in Europe and the United States; her work has been translated into ten languages.[1] Some of her English poems were translated into Chinese by Peter Jingcheng Xu and published in the journal Foreign Literature and Art (Issue 6, December 2016).[4]
Clarke has published numerous collections of poetry for adults and children (see below), as well as dramatic commissions and articles in a wide range of publications. She is a former editor of The Anglo-Welsh Review (1975–84) and the current president of Tŷ Newydd. Several of her books have received a Poetry Book Society Recommendation. In 1999, Gillian Clarke received the Glyndŵr Award for an "Outstanding Contribution to the Arts in Wales" during the Machynlleth Festival. She was on the judging panel for the 2008 Manchester Poetry Prize. Clarke reads her poetry for teenagers who are taking their English GCSE school exams. She is part of the GCSE Poetry Live team that also includes John Agard, Simon Armitage, Carol Ann Duffy, Imtiaz Dharker, Moniza Alvi, Grace Nichols, Daljit Nagra and Choman Hardi.
In December 2013, Clarke was the guest on BBC Radio 4's Desert Island Discs. She has written over 100 poems during her career.[5]
