Citation & License

EduStrat (Educational Stratification in PISA)

How to Cite

If you use EduStrat or results generated by it in your research, please cite the tool, the data source, and the original PISA data:

The Tool (APA):
Schoenholzer, K. (2026). EduStrat: A browser-based tool for teaching quantitative analysis of educational inequality with PISA microdata [Working paper]. https://github.com/kevisc/edustrat
The Tool (BibTeX):
@article{schoenholzer2026,
  title   = {EduStrat: A Browser-Based Tool for Teaching
             Quantitative Analysis of Educational Inequality
             with {PISA} Microdata},
  author  = {Schoenholzer, Kevin},
  year    = {2026},
  note    = {Working paper},
  url     = {https://github.com/kevisc/edustrat}
}
The Data Source (learningtower R package):
Wang, K., Yacobellis, P., Siregar, E., Romanes, S., Fitter, K., Dalla Riva, G. V., Cook, D., Tierney, N., Dingorkar, P., Sai Subramanian, S., & Chen, G. (2024). learningtower: OECD PISA datasets from 2000–2022 in an easy-to-use format (R package, version 1.1.0). https://doi.org/10.32614/CRAN.package.learningtower
The Original PISA Data:
OECD. (2024). PISA 2022 Technical Report. OECD Publishing. https://doi.org/10.1787/01820d6d-en

Author

Kevin Schoenholzer
Institute of Communication and Public Policy, Università della Svizzera italiana (USI)
ORCID: 0000-0001-9892-5869

Free Use & License

MIT License. You are free to:

No permission required — just cite the tool and data source as shown above.

Disclaimer

Use at your own risk.

This tool is provided "as is" without warranties of any kind. While we strive for accuracy, the software may contain errors. Results should be independently verified for critical applications. EduStrat uses a single plausible value per domain and does not implement replicate-weight variance estimation; users requiring publication-grade inference should replicate analyses in a dedicated statistical environment.

The views and analyses generated by this tool do not reflect the official position of the OECD or its member countries.

Source Code & Documentation

For complete documentation, methodology details, and source code:

Report issues or contribute improvements on GitHub Issues.

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