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

215-400-7827 or