He played for the Lowell High School Red Raiders football team under head coach Ray Riddick.

Here, Mavraides played shoulder-to-shoulder with Tackle Art Hunter, Center Jim Schrader, and Fullback Neil Worden as the main blockers for Heisman Trophy winning running back Johnny Lattner.

[4] His senior year, the 1953 Notre Dame finished the season 9-0-1 and was runner up to the National Championship,[5] and had an unprecedented 12 players drafted to '54 NFL.

In the September 13th, 1954 Sports Illustrated article Herman Hickman describes the 1953 Notre Dame Team by writing; Frankly, it's hard to see how any squad could lose such men as halfback Johnny Lattner, fullback Neil Worden, tackle Art Hunter, center Jim Schrader, and guard Menil Mavraides and still be a top-ranked team.

[6] In 1986, Lowell High school inducted Mavraides into the LHS Athletic Hall of Fame.