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

• Communications Overview
• Principia Parents Association (PPA)
• Secure Portal Access Information
• Dining Services, by Sage: Welcome | Sage Listened | Menu

Contact Information

Faculty/Staff Directory

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

• Illinois Inter-campus School Bus Information
• Map and Directions
• Downloadable Campus Map

Academic Calendar (2017–2018)

School Calendar

Fall Semester

• Saturday, August 19, 2017
  All-Parent Orientation
• Tuesday, August 22, 2017
  First day of classes
• Friday, October 6–Sunday, October 8, 2017
  Family Weekend
• Friday, October 20–Monday, October 23, 2017
  Fall Break
• Wednesday, November 22–Sunday, November 26, 2017
  Thanksgiving break
• Thursday, December 14, 2017
  Last day of classes

Spring Semester

• Tuesday, January 9, 2018
  First day of classes
• Saturday, March 10–Sunday, March 25, 2018
  Spring break
• Friday, May 25, 2018
  Last day of school
• Saturday, May 26, 10 a.m.
  Graduation

All-School

• Marketplace
• PrinBill