lukioista
Lukioista is the ablative plural form of the Finnish noun lukio, meaning “from high schools.” In Finnish grammar, the suffix -sta/-stä marks origin or source, and when applied to lukio in the plural it yields lukioista. The corresponding singular form would be lukioista, referring to “from a high school.” In practice, lukioista is used to indicate that something comes from more than one high school.
The form is common in written Finnish, especially in statistical, academic, and journalistic contexts, where high
Finnish lukio represents upper secondary general education following the comprehensive school (peruskoulu) and typically lasts about