International Students

International Students seeking a high school diploma who are ready to grow in their spiritual practice, utilizing the principles of Christian Science, are invited to apply to Principia's Upper School (grades 9-12).

Important Application Dates

September 15, 2025 Admission applications open
January 31, 2026 Deadline to complete admission, scholarship, and tuition assistance applications
April 3, 2026 Decision letters posted

International Application Process

Open your Admission Account

Click here to log into or create your Principia Admission Account. Applicants will then receive an email with the link to their Principia admission account which will enable them to track the status of their application and receive an admission decision.
Parents/legal guardians are the only individuals authorized to complete applications, forms and any other documentation.

Submit the Online Application & Application Fee

Admission Testing

Complete admission testing using the SSAT (Secondary School Admission Test utilizing one of their virtual or in-person testing options.
The TOEFL iBT exam is required for all students for whom English is not their first language.
Scores should be sent directly from ETS. Principia's TOEFL iBT school code is 1964.
If TOEFL is not readily available, Principia will accept Duolingo scores as well. Choose "Principia School" as the option for where scores should be sent.

School Records and Recommendations

School Records – An official transcript with the current school year and the two previous school years must be submitted, as well as any school records including standardized testing results.
Teacher Recommendation – Within the SAO (Standard Application Online) there are required teacher recommendations that must be from a current core subject teacher.
Personal Recommendation – Within the SAO a recommendation must be submitted by an someone other than a teacher whom has worked directly with your child, such as a tutor, coach or music teacher.

Student Interviews

Scholarships & Tuition Assistance

Apply Now

Eligibility Requirements

2.8 minimum GPA is required
Completed SAO (Standard Application Online) and Principia Application Checklist
English proficiency assessment test
Students who turn 19 years old prior to July of their 12th grade year are not eligible for school admission

If you have questions about admission to Principia Upper School, email School Admissions.

Principia admits eligible, diploma-seeking students able to fully participate in our dynamic learning community. Principia is proud of its diverse student population and of its international students, all of whom are boarding students. We appreciate the valuable perspective our international students bring to our community. Applicants must be free from the use of alcohol, tobacco, vaping, and illegal substances of any type and from engagement in premarital sexual activities. Principia administers all programs without regard to gender, race, color, sexual orientation, or national or ethnic origin.

Applicants from China, South Korea, or Vietnam

Please begin your application through our trusted partner, Cambridge Network, who will support you through each step.