1. ACSI. (2021). 2020–2021 Tuition & Salary Survey: Member report. Association of Christian Schools International. https://www.acsi.org/docs/default-source/website-publishing/research/acsi_tuitionsalary_report_august2021-final.pdf.
2. Schools’ responses to voucher policy: participation decisions and early implementation experiences in the indiana choice scholarship program;Austin;J. Sch. Choice,2015
3. The case for educational pluralism in the U.S;Berner;Manhattan Inst. Policy Res.,2019
4. Broughman, S., Kincel, B., Willinger, J., & Peterson, J. (2021). Characteristics of private schools in the United States: Results from the 2019–20 Private School Universe Survey first look (NCES 2021–061). National Center for Education Statistics. https://nces.ed.gov/pubs2021/2021061.pdf.
5. Cheng, A., Djita, R., & Hunt, D. (2022). Many educational systems, a common good. Cardus. https://www.cardus.ca/research/education/reports/many-educational-systems-a-common-good/.