The institute ISISS was born in 1874. It has combined over the years the respect for tradition and willingness to take on new challenges of the educational landscape offered by the new experiments and new technologies.
The addresses of ISISS are:
• Classical Lyceum
• Scientific Lyceum
• Lyceum of social sciences
• Technical and Commercial Institute
The new institute brings together the heritage of the two old schools, “Istituto Tecnico Commerciale PM CORRADINI" and the Classical Lyceum.
Among the most famous professors who taught in the Gymnasium of Sezze may be mentioned: the novelist Virgilio Brocchi, the historian Pietro Fedele, Latin and Charles Pascal, the philosopher Giovanni Gentile.