Welcome to The Principia Marketplace

2022 Summertime Discovery

1. Before making a payment, please read and fill out the Summertime Discovery Enrollment Form prior to payment. For more information visit the Summertime Discovery page on our School website.
2. If you are not already registered in Principia's Marketplace you can save your payment method (checking, savings or credit card information) in a secure environment for ease in making future payments (see "Enrollment Form" below). You will also be able to track all your payments made while you are logged in to Marketplace. If you already have an account, feel free to login above before proceeding.
3. When you are ready to make a payment, choose the week(s) for which you would like to register.

*Promotional Code at Check Out

15% off when you register two or more siblings. Promo Code: 15OFF


Summertime Discovery