You would need to have your prima/secunda/terza Prova marks + the colloquiale with the diploma di licenza media (hopefully for you, 7+).
Then each level of liceo - you will have to approximate:
Typically scuola media covers Algebra1, geometry, and elementary statistics (integrative math 1&2), as well as biology, physical science and technology, plus 2 years in one of French/German/Spanish/Latin - all of that would be reported.
Then you report liceo classes year by year. The “weight” gives the reader an idea but they’ll check your actual transcript. So, if liceo scientifico, your HLs are Math and Science. If liceo linguistico, your HLs are Italian Language and Literatures A, English B, and a third language. Etc etc.
It will be clear for the adcoms that you attend a liceo.
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