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Administrative Team

Lamont Shipley

Robert Griffiths

Mr. Robert L. Griffiths was named principal at Theodore G. Davis Middle School in 2020. Mr. Griffiths began his career with Charles County Public Schools in 2004 as a mathematics teacher. He taught at Westlake High School and Henry E. Lackey High School, before becoming an administrative intern at Westlake. He was named as a vice principal of St. Charles High School when the school opened in 2014, returning to Westlake in the same position in 2017.

Mr. Griffiths is a graduate of Penn State University where he received his Bachelor of Science in Mathematics Education and McDaniel College where he received his Master of Science in Curriculum and Instruction.

As principal, Mr. Griffiths plans to partner with the Davis community to help students advance toward college and career readiness.

Paige Hickman photo

Paige Hickman
Assistant Principal

Paige Hickman joined the administrative team at Theodore G. Davis Middle School during the 2024-2025 school year. She started her career teaching 5th grade at J.P. Ryon Elementary School before moving to Florida and teaching for three years. Life brought her back to Charles County where she taught mathematics at John Hanson Middle School before becoming an instructional resource teacher at General Smallwood Middle School. Before coming to Davis, she served as an assistant principal at Henry E. Lackey High School.

In 2014, Hickman obtained her Bachelor of Science degree in elementary education with a specialization in middle school mathematics from Frostburg State University. In 2022, she earned her Master of Science in transformational educational leadership from Towson University. She looks forward to getting to know and supporting the Davis community.

Anthony Mast photo

Anthony Mast
7th Grade Assistant Principal

Mr. Mast joined the administrative team at Theodore G. Davis during the 2022-2023 school year. Prior to joining the administrative team at Davis, Mr. Mast spent the past 20 years all in the Charles County Public School system as a Social Studies teacher, head basketball coach, SGA Sponsor, Athletic Director, and Administrator.

Mr. Mast is a graduate from Villanova University and earned his Bachelor of Arts in History and Bachelor of Science in Education. He also earned his Masters of Science in Curriculum and Instruction from McDaniel University and also earned his Administration Certification. Mr. Mast looks forward to working with and serving the Davis community. 

Brittany Yhap

Brittany Yhap
6th Grade Assistant Principal

Ms. Brittany A. Yhap is a Charles County native who began her teaching career in 2011 at Fred M. Lynn Middle School in Prince William County as a 7th grade ESOL/Language Arts teacher. In 2012, Ms. Yhap transferred to Charles County Public Schools & began her six-year teaching career at John Hanson Middle School as a 6th grade Language Arts Teacher. In 2015, she became the FAME Administrator for the first FAME cohort at John Hanson Middle School. Later in her career, Ms. Yhap chose to transfer to General Smallwood Middle School in 2017 as a 6th grade ELA teacher. Ms. Yhap then served as the 9th grade School Administrator at Thomas Stone High School in 2018 prior to becoming the 6th Grade Vice Principal at Theodore G. Davis Middle School in 2019.

Ms. Yhap earned her Bachelor’s degree in English Arts in 2010, along with her Master’s degree in Secondary Education and Literature from Hampton University in 2011. Most recently, she has completed her Administrator 1 Certification through Towson University and is looking forward to servicing all stakeholders through authentic leadership.

Armille Mitchell

Armille Mitchell
8th Grade Administrator/Administrative Intern

Mrs. Armille Mitchell is a native New Yorker and has been an educator for the past 21 years.  She began as a Special Education teacher with Prince George’s County Public Schools, where she taught Mathematics to middle schoolers at Ernest Everett Just Middle School. She then took her talents to Arlington Public Schools, where she continued to educate middle schools in Mathematics, grades 6-8.  She then got engaged and moved further south, where she spent 10 years in the Tidewater area, teaching middle school Mathematics to 6th, 7th, and 8th grade students.  She eventually returned back to the DMV area, where she joined Alexandria City Public Schools and taught grades 6th, 7th, and 8th.

She is a graduate of Norfolk State University in Norfolk, VA, where she earned her Bachelors of Science in Interdisciplinary Studies, with concentrations in Mathematics and Special Education.  She also earned her Masters in Arts in Special Education: Vocational & Rehabilitation Counseling.  After having taught for the past 15 years, she went back to school and pursued her certification in Supervision and Administration with Lamar University.