oppilaitsten

Oppilaitsten is the genitive plural form of the Finnish noun oppilaitos, which designates an educational institution such as a school, college, or training facility. The genitive plural is used to express possession or association with multiple institutions, for example in phrases like oppilaitosten rahoitus (the financing of educational institutions) or oppilaitosten yhteistyö (the cooperation of educational institutions).

In standard Finnish, the correct genitive plural is oppilaitosten. The form oppilaitsten is not standard in contemporary Finnish and is generally regarded as a misspelling or an older variant that may appear in historical texts or in nonstandard usage. When writing about several institutions in modern Finnish, it is appropriate to use oppilaitosten.

The concept of oppilaitos covers a range of educational bodies within the Finnish system, including secondary and vocational schools, teacher-training institutions, and other public or private entities that provide organized instruction. In policy, statistics, and reporting, oppilaitosten is a common term when referring to the activities, funding, governance, or performance of multiple institutions.

Examples of usage include: Oppilaitosten tilat ovat parantuneet (The facilities of the educational institutions have improved) and Oppilaitosten rahoitusmallit ovat muuttuneet (Funding models for educational institutions have changed). Related terms include oppilaitos (singular), koulutus (education), and the broader Finnish education system.