The Greek Secondary School of London (Eλληνικό Γυμνάσιο - Λύκειο Λονδίνου) is an Independent School for children aged 12 to 18, located in North London, Wood Green, 22 Trinity Road, London N22 8LB, U.K.

It consists of junior high school with three grades (Greek: Γυμνάσιο) and high school with three grades (Greek: Λύκειο).

At the end of the third grade of Junior High School, students receive the Junior High School Certificate (απολυτήριο γυμνασίου).

After having attended the third grade of High School they receive the High School Certificate (απολυτήριο λυκείου) which gives them access to the British universities as well as Greek universities and Greek technological educational institutes.

Since 2012, it is currently located at Wood Green, beside Virgin Mary's Church.