She was a Country Liberal Party member of the Northern Territory Legislative Assembly from 1974 to 1977, representing the suburban Darwin electorate of Sanderson.

Andrew was born in Border Town, South Australia, and was educated at Western Teachers College and the University of Adelaide.

She moved to Darwin in 1973, and taught variously at Gillen, Katherine and Wagaman before her election to the Legislative Assembly in 1974 at the age of 26.

She was unexpectedly defeated by Labor candidate June D'Rozario in 1977, and returned to teaching at Howard Springs and then Parap.

She was appointed Administrator of the Northern Territory Arts Council in 1980 and served as general secretary of the Country Liberal Party until 1983.