Having worked in industry for a little while, she then entered the teaching profession, beginning at Radley College in Oxford, later moving to Epsom College in Surrey where she taught Economics. In 2005, she moved to Blundell's School in Devon, where she was Director of Studies for six years.[2] She became Principal of Cheltenham Ladies' College in 2010.[2]
Jardine-Young, concerned about stress levels in the students at Cheltenham Ladies' College, advocated the abolition of homework in 2015.[3]
She was appointed as one of the Deputy Lieutenants of Gloucestershire in 2017.[4]