The Upper School provides a college-preparatory program leading to a high school diploma that can be supplemented with International Baccalaureate certificates or a full IB diploma. Students with mild disabilities or special needs are supported through Optimal Match services. The School is fully accredited by the New England Association of Schools and Colleges, the European Council of International Schools and the International Baccalaureate Organization. Class size ranges from 10-18 students. A purpose-built campus, located between a forest and a canal, was opened in August 2000.
Instruction is extended through access to the Internet throughout the school.
These fees include all books and materials. Supplies are also included for grades PK through 5.