The Catholic Academy of Stamford is currently located on two separate campuses.
The lower school (PK – Grade 5) is located at 1186 Newfield Avenue in the former Saint Cecilia School building. The elementary building consists of 16 classrooms, a library and spacious grounds consisting of three playgrounds and a large field.
The upper school (Grades 6-8) is located at 948 Newfield Avenue in the former Trinity Catholic Middle School building. The middle school building consists of 13 classrooms, a library and gymnasium. Students at this level share the use of the fields at Trinity Catholic High School.