While detailed information specifically about the 6th-grade curriculum for Italian in ethnically mixed areas of Slovenia is unavailable, the following information regarding education in these areas has been gathered:

General Education in Slovenia:

• Primary school education in Slovenia is compulsory and lasts for nine years, divided into three three-year cycles.
• The National Education Institute of the Republic of Slovenia (ZRSŠ) regulates primary and secondary education.
• The national curriculum is determined by the National Expert Council for General Education.

Education in Ethnically Mixed Areas:

• In ethnically mixed areas, students have the right to education in their native languages, including Italian and Hungarian.
• Bilingual education models exist in these areas, often involving Slovenian and Italian.
• In areas with Slovene as the primary instruction language, Italian is taught as a compulsory subject.

Italian Language in Slovenian Education:

• Italian is offered as both a first language (L1) and a second language (L2) in bilingual areas of the Slovene Littoral.
• EU funding has been allocated to improve the quality of bilingual education, including Italian.

It is important to note that this information is a general overview and may not reflect the specifics of the 6th-grade curriculum. More specific information may be available from the Ministry of Education in Slovenia or directly from schools in the ethnically mixed areas.