The school was founded in 1936 by Charles Beregean (Karolos Berzan), a mathematician (there is no source verifying either a degree or any articles in mathematics authored by Beregean), under the name “Standard Lyceum of Athens” (Πρότυπον Λύκειον Αθηνών, Protipon Likion Athinón).

It moved to its current location in 1952, when ownership was transferred to Antonis Moraitis [el] – whose name the school has adopted since 1976.

[1] For their final two years, students at Moraitis can follow either the Greek educational curriculum or the International Baccalaureate programme.

Its sport teams (football, basketball, volleyball, track and field) have excelled in competitions both within Greece and in Europe.

[6] In 2011, three out of the eight students selected from all of Greece during the 23rd National Selection Conference of the European Youth Parliament in Athensto represent Greece in three international conferences of the European Youth Parliament were High school students of the Moraitis School.

[7] is organised by its high-school students once a year, the Panigiri hosts activities and events in order to raise money for charity.