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Main Numbers
Phone: (603) 536-1257
Fax: (603) 536-1267
Monday through Friday from 8:00 AM – 4:00 PM
Saturday 8:00 AM – 12:00 noon

Admission Office
Phone: (603) 536-1747
Email: admission@matgauthier.com

Alumni Office
Phone: (603) 779-5264 
Email: alum@matgauthier.com

Health Center
Phone: (603) 779-5367
Fax: (603) 218-7188
Email: nurse@matgauthier.com

Administrator On Duty (AOD)
Please call this number for urgent matters regarding the health and care of your student
(603) 254-8912


If you want to mail something to Holderness please use:
Holderness School
P.O. Box 1879
Plymouth, NH, 03264-1879

If you are attempting to visit our campus please use:
Holderness School
33 Chapel Lane
Holderness, NH 03245

Traveler’s tip: when you visit us, always enter our complete physical address including zip code into your GPS.

Administrative Team

List of 9 members.

  • Photo of R. Peck

    Phil Peck 

    Head of School
    (603) 779-5201
  • Photo of Tobi Pfenninger

    Tobi Pfenninger 

    Associate Head of School
    (603) 779-5306
  • Photo of Walter Schaeffler

    Walter Schaeffler 

    Chief Financial Officer
    (603) 779-5211
  • Photo of Margot Riley

    Margot Riley 

    Chief Operating Officer
    (603) 779-5205
  • Photo of Peter Durnan

    Peter Durnan 

    English Faculty & Dean of Academics
    (603) 779-5305
  • Photo of Andrew Herring

    Andy Herring 

    Director of Strategic Marketing and Communications
    (603) 779-5280
  • Photo of Kristen Fischer

    Kristen Fischer 

    Languages Department Chair & Dean of Faculty
    (603) 779-5323
  • Photo of Richard Eccleston

    Rick Eccleston 92

    Mathematics Faculty
    (603) 779-5371
  • Photo of Jini Rae Sparkman

    Jini Sparkman 

    English Faculty & Director of Equity and Inclusion
    (603) 779-5399

List of 9 members.

  • Photo of David Flynn

    David Flynn 96

    Director of Admission
    (603) 779-5262
  • Photo of Bruce Barton

    Bruce Barton 

    Director of College Counseling
    (603) 779-5311
  • Photo of John Lin

    John Lin 

    English Faculty & Dean of Students
    (603) 779-5320
  • Photo of Tyler Cabot

    Tyler Cabot 

    History Faculty & Assistant Dean of Students
    (603) 779-5355
  • Photo of Kelsey Berry

    Kelsey Berry 

    History Faculty & Director of Teaching & Learning
    (603) 779-5310
  • Photo of Carol Dopp

    Carol Dopp 

    School Counselor
    (603) 779-5335
  • Photo of Joshua Hill

    Josh Hill 

    Theology and Religious Studies Chair & Chaplain
    (603) 779-5274
  • Photo of Margaret Mumford

    Maggie Mumford 

    Science Faculty & Sustainability Coordinator
    (603) 779-5331
  • Photo of Mark Sturgeon

    Mark Sturgeon 

    Executive Director of Advancement
    (603) 779-5225
Holderness School

mail P.O Box 1879 Plymouth, NH 03264-1879
phone (603) 536-1257