Mr. Mark Carothers - Principal

Ms. Jennifer Herman - Assistant Principal

Ms. Herman is very excited to be the assistant principal at Poolesville High School. She worked in the Office of Student and Family Support and Engagement for MCPS last year and was an assistant principal for six years prior in another county. Ms. Herman was a National Board Certified social studies teacher, department chair, track and field coach, and an SSL coordinator. Ms. Herman supervises the 10th and 12th grade, Fine Arts, Drama, Music, World Languages, Social Studies, and English. She is looking forward to working with our community. Ms. Herman can be reached at 240-740-2400.

 Ms. Allison Wilder - Magnet Coordinator

This is Ms. Wilder's twenty-first year at Poolesville. She is currently the Magnet Coordinator for the Global Ecology House, Humanities House, Independent Studies Program and the Science, Math, Computer Science House overseeing the application process; screening and selection; and day-to-day operation of the magnet programs. Ms. Wilder supervises the Science, Technology/PE and the Advanced Engineering Academy Departments. Ms. Wilder can be reached by phone at 240-740-2419.

Mr. John Butler - Assistant School Administrator

Mr. Butler is very excited to be starting his third year as an administrator at Poolesville High School. He thoroughly enjoys the high school comradery and all the activities that are available for students. Previously before coming to PHS, Mr. Butler was 6th grade team leader at Sligo Middle School where he taught English. Before that he was a Reading Specialist at Argyle Middle School and before that a 5th grade teacher in DCPS. He has coached JV Girls and Boys Soccer for eight years at Rockville High School. Mr. Butler supervises 9th and 11th grade, Mathematics, Special Education, and Counseling. Mr. Butler can be reached by phone at 240-740-2400.

 Ms. Susan Krouner - School Business Administrator

Ms. Krouner is entering her twelfth year at Poolesville High School.  As Business Administrator, she oversees the operation of the building and campus, manages all financial and business activities, and supervises the building services, financial, IT, and cafeteria staff.  Ms. Krouner can be reached by phone at 240-740-2400.

Main Office Staff

Mary Fourcade
Administrative Secretary

Teri Gregg
Main Office Secretary

Rhona Bortnick
Attendance Secretary

Financial Office

Lillian Flores
Financial Specialist


Skip Etheridge 
Security Team Leader
Security Officer
Howard Copeland
Security Officer
Fabiola Carter
Security Officer
Jeremy Snelnick



Teresa Fanflik
Health Technician

Janet Lee, SCHN
School Nurse

Health Room Website

Building Services


 Pecoe Fleming
Building Service Manager

Plant Equipment Operator

Danielle Arredondo
Building Services Assistant Manager

Norma Bobadilla
Building Service Worker
Cesar Moreno Paico
Building Service Worker
Efrain Lavanderos  
Building Service Worker


Staff Development

Katie Horan
Staff Development Teacher

IT System Support

Kathryn Hackey


Julia Cho
Cafeteria Manager