Founded in 1899, Hackley is a K-12 co-educational, college-preparatory day and five-day boarding school located in the Westchester County village of Tarrytown, just 30 minutes from NYC.
Michael C. Wirtz, Hackley’s 12th Head of School, was appointed in 2016. Core Values:
“Enter Here to Be and Find a Friend”
“ United, We Help One Another (Iuncti iuvamus)”
“Character is Higher Than Intellect”
“Go Forth and Spread Beauty and Light”
Colors: Black & Grey Mascot: Hornet
"By the numbers ..."
840: Number of students K-12 (202 K-4; 240 5-8; 398 9-12)
7:1 Student/Faculty ratio
47% Students of color
16: Average class size
64: Number of faculty/staff with 10+ years tenure at Hackley
22: Average years of tenure at Hackley
19: Median years of teaching experience
36% of full time faculty in school housing
84% hold advanced degrees
33 faculty also coach
16% Faculty of color
23 students in the 5-day Boarding Program
42 student-led Upper School Clubs
58 Upper School students participating in three student-run publications
21 students in Community Council (Student Government)
16 on the Board of Magistrates (Student Disciplinary Council)
Nearly 1,000 Hackley students (and counting) have participated in global education trips, including Casten Family Study/Service trips, Round Square trips, and Language Immersion trips since 2000.
206 students took 475 exams in May 2021. 97% of the scores were a “3” or higher.
13 A.P. Courses Offered at Hackley: Biology, Calculus AB, Calculus AB & BC, Calculus BC, Chemistry, Chinese Language, Computer Science, French Language, Latin: Vergil, Physics C, Spanish Language, Statistics, Studio Art
Hackley stopped offering AP courses in English and history many years ago, replacing them instead with our own robust course offerings which better reflect our philosophy of education. A great many Hackley students still sit for the various English and history AP exams each year and typically achieve results significantly above national averages.
20 different student musical groups perform each year
80 students held recitals for individual instruments or voice last year
Approximately 180 private lessons are given each week in the Music Institute by professional instructors
Over 40% of 3rd and 4th grade students participate in the LS Strings and Instrumental programs
About 80 Performing Arts student performances, including six or more major drama productions.
68 students performed at the spring Upper School Coffeehouse
5 spring Art Shows: AP Studio Art, Upper School Studio Art, Middle School Studio Art, Lower School Art Grades 1-4, and Kindergarten Art Show.
27 different sports with over 64 teams across grades 7-12
85.6% participation rate with 62% playing two or more sports
39 New York State titles and 81 league titles since the 2007-08 school year
All K-8 Grade students are offered sports related after-school programs on a regular basis.
94: Number of towns, villages and cities our families come from
Over $5 million awarded in Financial Aid to 150 students in 2019-20
446: Number of parent volunteers last year
4,538 living alumni from 46 states, the District of Columbia, and 48 countries
285 Acre Campus
1 Unified campus with closely connected Lower, Middle and Upper Schools