She taught there until her marriage in 1856 ( see Marriage bar ) .
Hired as principal of a Brantford , Ontario public school , she was the first woman to be a principal of a public school in Upper Canada .
woman taught there until woman 's marriage in 1856 ( see Marriage bar ) .
Hired as principal of a Brantford , Ontario public school , she was the first woman to be a principal of a public school in Upper Canada .