Resources for Employees and Administrators
ESS is the School District of Philadelphia’s substitute services vendor effective July 1, 2022. To help schools manage this change, ESS has created a contact sheet that is specific to substitute services.
Please utilize the linked sheet below to identify the party to whom you should direct your question(s).
To request a sub or enter an absence contact:
ESS Engagement Team
215-261-5523 (open Mon-Fri 6AM-11PM) or
To request admin access to Frontline (Aesop) or receive additional support contact:
Substitute Services Team
Last modified: January 20, 2023