In a way, the adults and teenagers that call St. Mark’s home are very much a family, and so it is fitting that the school’s origins are rooted in familial concern.

The beaver owes its role as Brearley mascot to its inclusion on the school seal.

These girls were among the first to benefit from Clara Spence’s firm belief that higher education for women was of paramount importance.

In 1886 Mary Pickard Winsor started a six-month school in Boston for her aunt's daughter and friends.