HAA Endowment Fund

The Hackley Alumni Association (HAA) makes annual grants to Hackley, funded by the HAA Endowment Fund.

Giving Clubs

United, We Help One Another Society
New donors and those who increase their support

Frances Hackley Society
$50,000+

Sarah Goodhue Society

$35,000+

Walter Gage Society
$25,000+

Hilltop Society
$12,500+

President's Circle
$5,000+

Quad Society
$2,500+

Hale Tower Associates
$1,000+

Black & Grey Associates
$500+

Chapel Society
$499 and below

The Hornets
(Alumni who graduated within the past 10 years)
$100-$499

List of 2 members.

  • Photo of John Gannon

    John Gannon 

    Director of Advancement
    914-366-2654
  • Photo of Joseph McDermott

    Joseph McDermott 

    Hackley Fund Manager, Head Football Coach

Make A Gift: Be A Founder!

Your annual gift provides Hackley’s teachers, coaches, and staff with the financial resources they need to deliver a world-class educational experience. It is Hackley’s philanthropic priority. Please consider joining our United, We Help One Another Society recognizing new and increased donors. Nearly 900 "Founders" joined last year.
To make a gift by check, please make your check payable to Hackley School and mail to: 

293 Benedict Avenue
Tarrytown, NY 10591

Hackley's Tax ID number:

Hackley's Tax ID number is 13-1740452.
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