School Portal
The secure portal is for parents, students, and staff.
Welcome to the School Portal, a digital resource for current families! Below, you'll find public information such as the all-School calendar of events, key phone numbers and dates, athletic information, and more.
Parent Communication
- Communications Overview
- Principia Parents Association (PPA)
- Secure Portal Access Information
- Dining Services, by Sage: Welcome | Sage Listened | Menu
Contact Information
Phone Numbers
-
Principia Hotline
314.514.3000 -
Sports Hotline
314.275.3580 -
Switchboard
314.434.2100 -
Boys' Dorm
314.275.3541 -
Girls' Dorm
314.275.3544 -
Afterschool Care
314.275.3579 -
Campus House
314.275.3590 -
Campus Security
314.514.3111
Transportation and Directions
Academic Calendar (2019–2020)
Fall Semester
-
Saturday, August 17, 2019
All-Parent Opening Meeting -
Monday, August 19, 2019
First day of school for Middle and Upper School -
Tuesday, August 20, 2019
First day of classes for Lower School and Preschool -
Saturday, September 14–Friday, September 20
Upper School Character Education Trips and Senior Retreat -
Friday, October 11–Sunday, October 13, 2019
Family Weekend -
Friday, October 18–Monday, October 21, 2019
Fall Break -
Wednesday, November 27–Sunday, December 1, 2019
Thanksgiving Break -
Thursday, December 12, 2019
Last day of classes
Spring Semester
-
Tuesday, January 7, 2020
First day of classes -
Monday, January 20, 2020
No classes in honor of Martin Luther King Jr. Day -
Saturday, March 7–Sunday, March 22, 2020
Spring Break -
Friday, May 8, 2020
Last day of school