Mounts Bay Academy (formerly Mounts Bay School) is an academy school in Heamoor, Penzance, Cornwall, England, UK. The school teaches 1022 11- to 16-year-old students.

Mounts Bay occupies five buildings: main building, art block, music block, sports building and 'Qube'. The main building houses most of the departments, with some of the subjects housed in exterior buildings. It has a large hall with tiered seating.

There is also a Sports Centre with two tennis courts and a multi court. On the fields there is a cricket pitch, hockey pitches, rounders pitches, a 400m running track, a shot put circle, a javelin area, and football and rugby pitches. The school also has a 3G astroturf pitch and a pump bike track.

The school used to be called Heamoor Secondary School, until it became a comprehensive school in 1980.

The academy officially gained academy status on 1 July 2011, and changed its name to Mounts Bay Academy.

50°07′41″N 5°33′25″W / 50.12816°N 5.55700°W / 50.12816; -5.55700