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Ongoing project

Private schools, grade inflation and segregation

The project will generate new knowledge about private high schools, with particular emphasis on students' learning outcomes, grades and completion, and segregation between schools.

Project period December 2025–December 2026
Project nr. 10924
Project leader Adrian Farner Rogne

Although the vast majority of students in upper secondary education attend public schools, the proportion of students in private schools is substantial and increasing. Nine percent of Norwegian upper-secondary (VGS) students currently attend private schools. Previous research has shown that this student body differs clearly from the average: their parents, on average, have higher socio-economic status on several dimensions, while students with an immigrant background are underrepresented, and the gap between final (standpunkt) grades and grades on anonymous tests is larger at private schools.

This project uses administrative registry data to study differences between different types of private and public schools with respect to student composition, grading, and completion. Central to this project is examining the extent to which systematic differences in student outcomes between different types of private schools and public schools can be attributed to differences in the student intake (selection), grade inflation, the school’s contribution to learning, and/or segregation. Furthermore, we study the effects of the establishment of private schools on school segregation and local student outcomes. We also investigate whether differences in grading have been associated with opportunities to extract dividends/profits from private upper-secondary schools.

Privacy Policy Guidance

This project utilizes personal data from individuals who are difficult to contact for the purpose of providing individual information. The data is processed for research purposes, and the legal basis for the processing is the public interest. The project involves the use of ordinary personal data. The data is obtained from the following source: Statistics Norway (SSB).

The legality and privacy implications of the personal data processing have been assessed prior to the commencement of the project, which adheres to ethical guidelines for research. The Institute for Social Research is the data controller for the project.

Individuals who can be identified in the dataset have rights and may lodge complaints regarding the processing. Please feel free to contact our Data Protection Officer, the project manager, or the Norwegian Institute for Social Research if you have any questions or require guidance.

Participants

Julie Brun Bjørkheim Senior Research Fellow +47 922 54 759 Send e-mail
Miriam Evensen Research Professor +47 993 04 037 Send e-mail
Inés Hardoy Research Professor +47 472 45 113 Send e-mail
Adrian Farner Rogne Senior Research Fellow +47 928 21 610 Send e-mail
Kari Vea Salvanes Senior Research Fellow +47 970 29 691 Send e-mail
Pål Schøne Research Professor +47 986 22 125 Send e-mail
Research topics: diversity, education
Published June 24, 2026 2:26 PM - Last modified June 24, 2026 2:36 PM