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Rigorous Academics. Personalized Pathways.

Providing academic rigor and countless opportunities for all students is at the heart of Thornton Academy's academic program. Whether taking on additional challenges through Upper School courses as a Middle School student, pursuing AP or Southern Maine Community College concurrent enrollment opportunities, or balancing academics with involvement in the arts, athletics, and extracurricular programs, students are supported in building a personalized path toward future success.

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Forge Your Path

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Middle School Academics

In a small community, every student is known — and every learner is empowered for big growth. 

Learning Without Limits

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Upper School Academics

Empowered by choice and guided by support, Upper School students pursue academics that reflect their strengths, goals, and passions.

Personalized Excellence

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Curriculum Spotlight

At Thornton we empower students to explore deeply, think boldly, and grow beyond the classroom.

Inspiring Exploration


Student & Alumni Perspectives

Thornton Academy has incredibly well-rounded programs. The diverse course load has helped me to thrive as a student athlete. Not only does TA have a great selection of AP courses, but the art department has given me an outlet to thrive. I appreciate the understanding and intelligent teachers that I have had each year. I am more than confident that Thornton Academy has prepared me to succeed in college and beyond.

Cora BolducClass of 2026

I originally chose TAMS for the choral and arts programs, and I've grown as a performer from all of the musicals and concerts that I have participated in throughout my three years. Because of the great academics offered to students at Thornton, I was fortunate enough to be chosen to take three upper school classes in my eighth-grade year, including Arabic. The choice to come to Thornton is one that I will never regret.

Calhan Clark Class of 2030

TA is home to remarkably dedicated and brilliant math and science faculty. With their guidance, I pursued advanced independent studies in multivariable calculus and linear algebra as a junior, and went on to conduct and publish original research in physics during my senior year. These opportunities at TA gave me invaluable preparation for the work I now do as an engineering major in college.

Mateo PatiñoClass of '25, Columbia Class of '29

The breadth of Science programming at Thornton Academy ensures that students from every background and interest can find a place to fuel their passions and explore new possibilities. From engineering to genetics and physiology to forests, the Science department has core, honors, AP, and elective classes that prepare young scientists for a rapidly changing world. 

Mr. Dan Frost Science Department Chair