[5] Language instruction is offered in Ancient Greek, Latin, French, Spanish, and Mandarin Chinese.

Students in grades 7 and 8 are given iPads for the school year to aid with work in classes and assignments at home.

The New York Times describes Brearley as "one of the most competitive, academically rigorous private schools in the city.

[5] In the 2021–22 school year, Brearley reported that of its 768 students, 308 (40.1%) were white, 161 (21.0%) were Asian, 58 (7.6%) were Hispanic, 54 (7.0%) were Black, and 187 (24.3%) were multiracial.

[15] The school states that "applying for financial assistance does not impact our determination of your child's admissibility.

[18] Brearley opened a new building at 590 East 83rd Street in Fall 2019 to house its lower school program.

[20] A separate building, the "Field House" on East 87th Street, has facilities for physical education and athletics including track, soccer, basketball, tennis, badminton, volleyball, lacrosse and field hockey.

[21] Brearley also utilizes other sports facilities frequently, such as Randall's Island and Asphalt Green.