In 1952, upon Tobin's retirement, the school named teacher Charles W. Cook (class of 1938), as its fourth headmaster.

After a lengthy fundraising drive, the school bought the adjoining carriage house and rebuilt it, and the new building opened in 1960.

[4] In 2021 Browning began publishing Buzzwords, a new digital magazine, designed to tell the school's story in a fresh and compelling way.

Per tradition, the school year commences and closes with an assembly in Christ Church United Methodist.

[7] A financial aid program ensures that the boys remain heterogeneous; as with many of its peer NYC schools.

[4] The campus expansion houses 13 new classrooms, four stories of offices, a library, cafeteria, gymnasium, and green roof and rear yard.

[14] Upper-level curriculum consists of: Curriculum also includes specialty classes: The Upper School also offers a signature program called Certificates of Distinction[18] to students who pursue specific independent projects in one of four disciplines: engineering, data science, humanities, and fine arts.

In April 2024, A Browning high school student created an AI algorithm that improved EMS accuracy in predicting what assistance 911 callers need.

In anticipation of the fall and spring seasons, coaches provide preseason training to support boys in the honing of their game skills.