Attention Mastery Families: Please find the school year 2026-2027 calendar available to download below in PDF format. Kindly note that printed calendars may be subject to change, please ensure to use this website for the most updated information throughout the year. For school-specific calendar events, visit your school’s page or contact the school directly.
Philadelphia: English | Arabic | Burmese | French | French Creole | Karen | Simplified Chinese | Spanish | Urdu | Vietnamese
Camden: English | Arabic | Burmese | French | French Creole | Karen | Simplified Chinese | Spanish | Urdu | Vietnamese
Calendar of Events
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Upcoming Events
Mastery Staff Institute
The Mastery Staff Institute is for new Mastery employees.
All Mastery Schools
Staff Orientation
Staff orientation is for all new and returning staff.
All Mastery Schools
Student and Family Orientation
Check ParentSquare or contact your child’s school for details on the schedule for this event.
All Mastery Schools
Student and Family Orientation
Check ParentSquare or contact your child’s school for details on the schedule for this event.
All Mastery Schools
First Day of School/RP1 Begins
This is the first day of school for K-12 students.