School Portal

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

 

The secure portal is for parents, students, and staff.

Login

 

Contact Information

Faculty/Staff Directory

Transportation and Directions

Academic Calendar (2019–2020)

School Calendar

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

 

 

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
  • Monday, March 30–Friday, April 3, 2020
    Middle School Trip Week
  • Friday, May 22, 2020
    Last day of school
  • Sunday, May 24, 2020; 2:00 p.m.
    Graduation

 

 

All-School