Horace Mann: Inside New York’s #1-Ranked College Prep School

Horace Mann School is a private, independent, coeducational day school in the Riverdale section of the Bronx, serving Nursery through Grade 12. It holds an overall A+ grade from Niche and ranks #1 of 241 Best College Prep Private High Schools in New York, the top spot in a state with some of the most competitive independent-school admissions in the country. As one of the ten largest independent day schools in the U.S., with roughly 1,816 students drawn from 151 zip codes across four states, Horace Mann pairs that scale with genuinely small class sizes and a 7:1 student-teacher ratio.

Horace Mann also ranks #4 of 543 Best High Schools for STEM in New York, #4 of 3,055 Best Private K-12 Schools in America, and #3 of 4,143 Best College Prep Private High Schools nationally. Its academic distinctiveness is anchored by the John Dorr Nature Laboratory, a 320-acre outdoor education campus in Washington Depot, Connecticut, where students spend everything from a single day to a full week during their time at HM, a resource few NYC-area day schools can match.

Because Horace Mann is one of the largest independent day schools in the country, its applicant pool at every entry grade is unusually deep, which is exactly why the school leans as heavily as it does on the 90-minute admissions interview (required of the applicant and at least one parent, and including a campus tour) rather than transcripts and test scores alone. For Fall, 2027, the school expects roughly 55–60 new Grade 6 spots, 10–15 Grade 7 spots, and 40–45 Grade 9 spots; Grade 8 is a limited entry point this cycle (about 5 new students), and Grades 10–11 are Wait Pool only, opening solely through attrition.

For specific insights into how Horace Mann evaluates applicants from the city’s largest demographic group, see our Horace Mann Admissions Guide for Asian American Families.