[2][3] It was established in 1976 and adopted its present name in the 1990s to reflect its expansion into the arts.

It offers career and technical education, encompassing eighteen programs, to students from fourteen secondary schools within the Greater Portland area.

[6][2] It shares its building with Casco Bay High School.

[7] Portland Arts and Technology High School offers programs in eighteen areas as of the 2019-2020 academic year.

The school provides nationally accredited certifications as well as college credit to students who successfully complete a program.