Couzins was admitted to law school in St. Louis, a pioneering moment for women in U.S. legal education.
On May 11, 1869, Phoebe Couzins made history by becoming one of the first female law students at Washington University in St. Louis. This was a monumental step not only for Couzins but also for the institution, as her admittance highlighted the burgeoning drive for gender equality in education. With Lemma Barkeloo, she helped Washington University become the first American law school to admit women. This event is regarded as a crucial early triumph for women seeking education in male-dominated fields, demonstrating Couzins' role as a trailblazing figure in the legal profession.