Catholic Memorial (CM) is an all-boys college preparatory school (grades 7–12) located in West Roxbury, Massachusetts, United States.

Brother Joseph G. McKenna, C.F.C., was the first headmaster of Catholic Memorial; he opened a new school building which was dedicated by Cardinal Cushing on November 10, 1959.

The admissions committee selects students for scholarship eligibility based upon their past academic performance and the results of the entrance exams.

In the past, the Annual Blessed Edmund Rice Solidarity Initiative (BERSI) has organized school trips to El Salvador, Europe, Peru, Dominican Republic, South Korea and Canada.

[8] Catholic Memorial made headlines in 2016 when students chanted anti-semitic expressions at a basketball game against Newton North High School.

"[9] In response to the incident, Newton superintendent David Fleishman contacted the Anti-Defamation League, feeling that "they have a lot of work to do at Catholic Memorial.

"[10] In a subsequent statement, Catholic Memorial indicated that they were "deeply disturbed by the behavior of a group of student spectators who made an unacceptable chant.

[12] Knight Insight is published by the in-school Journalism class, and includes school news and updates as well as submissions from students.

[12] In addition to broadcasting the pledge of allegiance and morning prayer, CMTV also arranges humorous skits and facilitates special announcements from school leadership.

Catholic Memorial's Junior Classical League, or Latin Club, is always represented at the Massachusetts State Convention, where many CM students win prizes.

[12] The following is a list of active honor societies: At Catholic Memorial, nearly every student participates in "forensics", or speech and debate, at one point in his academic career.