Faculty & Staff

At Thornton Academy, our faculty and staff are the heart of our school. Dedicated to providing an educational experience that is simultaneously supportive and challenging, our teachers go above and beyond, both in and out of the classroom. They have years of experience, but constantly push themselves to improve though professional development, graduate-level classes, and personal learning projects; modeling the type of learning and growth that they encourage in their students. 

Many of our students and parents say that the teachers are the best part of Thornton Academy. Explore our staff directory and featured staff profiles below to meet our wonderful and talented staff and faculty!

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Thornton Academy Faculty & Staff

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Kevin Adams

Titles: Residential Life Driver

Craig Agreste

Titles: Wellness Teacher, Varsity Girls Lacrosse Coach, Residential Life Staff

Kirk Agreste

Titles: Middle School Wellness Teacher, TAMS Cross Country & Track Head Coach

Dana Altman

Titles: VIsual Art Teacher

Matthew Amoroso

Titles: Science Teacher

David Arenstam

Titles: English Teacher

Teri Arenstam

Titles: Science Teacher

Kayla Arthers

Titles: JV Volleyball Coach

Meet our teachers!

Josh Delcourt, Science

Josh Delcourt has been teaching at Thornton Academy since 2013. Since his childhood, his love of wildlife and the wild places they call home has taken him all over the great state of Maine. Mr. Delcourt has introduced two new courses to Thornton Academy's curriculum: Maine Fish & Wildlife, and Trees & the Maine Forest. These popular classes bring students out into the field where they learn biology through authentic experimentation. 

Mr. Delcourt also advises the Thornton Academy Anglers' Society (T.A.A.S.), which is open to any student with a passion for fishing. A registered Maine guide and licensed U.S.C.G. captain, Mr. Delcourt has spent many summers guiding a variety of fishing adventures. 

Mike Nelson, History & Social Sciences

Mike Nelson teaches one of the most popular classes on campus: AP Human Geography. This advanced class challenges students to study the world around them and make connections between different time periods and regions. 

Additionally on campus, Mr. Nelson is a dorm parent in Trojan Hall, he advises the WorldQuest Geography Club, and coaches Freshman basketball. 

Catherine Murray, Performing Arts

Catherine Murray is the Director of Vocal Music. She directs a large Concert Choir, an auditioned Treble Choir and the Chamber Singers. She also teaches Advanced Placement Music Theory. Mrs. Murray is the Musical Director of TA’s productions, the last few being Les Miserables, The Phantom of the Opera, Cats and Pippin!

Mrs. Murray received her Bachelor of Music Education from the University of Maine in Orono. She also holds a Masters Degree in Music Education and a second Masters in Choral Conducting, both from The University of Southern Maine. She is an active member of the National Association for Music Education (NAfME), The American Choral Directors Association (ACDA) and is also busy in her own District as the District I Auditions Chair.

Jack Morrison, Mathematics

Jack Morrison '74 has been teaching at Thornton Academy since 1978 and has been the freshman football coach since 1979. He is also the Mathematics Department Chair. Mr. Morrison received his bachelor's degree in mathematics from University of Maine at Orono and his master's degree in educational administration from University of Southern Maine.

Mr. Morrison is a member of the National Council of Teachers of Mathematics. His leadership roles at TA have included being a member of the Teacher Certification Committee, the TA Athletic Hall of Fame Selection Committee, and co-advisor to the Volunteers of America Action Team. During his tenure he has served on TA’s NEASC Accreditation Steering Committee and has coached baseball.

Roula Maalouf, Languages

Roula Maalouf began teaching at Thornton Academy in the fall of 2011 as an Arabic teacher. She earned her bachelor's degree in Insurance and Economic Studies from a Université Saint Joseph in Beirut, Lebanon before relocating to the U.S. in 2004. 

 In 2020, Mrs. Maalouf teaches Arabic I-III, French II Honors, and AP French. She also served as the co-advisor for the class of 2020. 

Elizabeth Sampson, English

Originally from Maine, Elizabeth Sampson spent over fifteen years teaching in New York City, before joining the Thornton Academy faculty in 2016. She holds Master of Science in TESOL and Master of Arts in English Literature degrees.

Ms. Sampson teaches AP Literature, Junior English, and a freshman literacy class. She is also the advisor for the Civil Rights Team. 


a teacher instructs students in the science lab