In the Panhellenic Forensics Association Tournament (English Dramatic and Rhetorical Speech), students of the Schools have been extraordinarily successful, although they have had to compete with students from anglophone schools of Athens. The following private and public schools participate in the competition: ACS Athens, American Farm School, Anatolia College, Arsakeia-Tositseia Schools of Athens, Byron College, Campion School, Ekpedeftiki Anagennisi, Ekpedeftiria N. Mpakogianni, Geitonas School, Hellenic – American Educational Foundation (HAEF), I.M. Panagiotopoulos School, Ionios School, Kastritsi School Patra, Kessaris School, Mandoulides Schools, The Moraitis School, Nea Genia Ziridis, PIERCE – The American College of Greece, Rizareio Parochial School, St Catherine’s British School, St Lawrence College.
Mandoulides Schools’ students achieved five times the 1st Place and the Gold Cup nationwide (1996, 2001, 2003, 2004, 2007), twice the 2nd Place (2002) and twice 3rd Place (2005 and 2015), respectively, while students of the Forensics club also won seven times the 4th Place (2009, 2010, 2011, 2013, 2014, 2016, 2017).
The Schools have hosted the national Forensics competition on the Junior – Senior High School premises with great success during the years: 2003, 2007, 2011, 2015, 2019.