Upper School Admissions

Application Dates & Deadlines

Applications for the fall 2027–2028 semester open September 14, 2026.

Fall 2027–28 Deadlines:

December 11, 2026: Fall semester 27-28 priority admission application due - 9th grade
January 12, 2027: Fall semester 27–28 priority admission application due - all other grades
After January 12, 2027, admission is rolling based on class-level availability.

Complete admission testing using the SSAT (Secondary School Admission Test utilizing one of their virtual or in-person testing options.
Principia is offering an in-person testing option open to the public on November 14, 2026 and January 9, 2027.
While the SSAT is Principia's preferred standardized test for Upper School, we will also accept standardized testing results from the applicant's current school.

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.

Eligibility Requirements

2.8 minimum GPA is required
Completed SAO (Standard Application Online) and Principia Application Checklist
SSAT or current school standardized testing results
Students who turn 19 years old prior to July of their 12th grade year are not eligible for school admission

Living that amounts to anything is the kind of living that turns other people to God. If our lives serve this purpose, then our living is worthwhile.

Education at The Principia, p. 125

Tom Evans
Associate Director of Upper School Admissions
314.514.3194