Jerril graduated from Victoria College (Rusden) in 1987 with a Bachelor of Education in both dance and drama. She studied modern and classical ballet at the Victorian Ballet School with Lauryl Martin O.B.E. and Janet Newton. In 1980 Jerril was appointed as the Ballet School's Modern Teacher and continued teaching while completing her degree at Rusden. Jerril joined Tasdance for a year in February 1988 as a Teacher/Dancer and went on to found Stompin Youth Dance Company in Launceston in 1992. She taught at Launceston College and worked as artistic director of the company until 2000.