Assistant Principal of Specialized Services – On Assignment - 2026/2027 School Year

Position Summary

As an Assistant Principal of Specialized Services (APSS) On Assignment at Mastery Schools, you will participate in a one year leadership development experience designed to prepare exceptional leaders for a permanent Assistant Principal of Specialized Services position within our network. The APSS On Assignment role combines authentic campus leadership with strategic network initiatives, providing opportunities to strengthen instructional leadership, operational excellence, and systems thinking across multiple school contexts.

Throughout the year, the APSS on Assignment may serve in temporary campus leadership placements, support leadership transitions, lead network-wide strategic initiatives, and provide high-leverage support aligned to evolving student and organizational needs. Working in close partnership with school and network leaders, the APSS On Assignment will develop expertise in leading specialized services systems that improve outcomes for students with disabilities while building the flexibility, adaptability, and leadership capacity necessary to successfully lead across diverse school communities.

This role serves as Mastery's primary leadership pipeline for future APSS vacancies and reflects our commitment to growing exceptional leaders from within. Purpose of the Role: The APSS On Assignment role exists to:

• Develop future school leaders through authentic leadership experiences
• Support leadership continuity during vacancies, leaves, and transitions
• Advance strategic network priorities related to specialized services and inclusive instruction
• Strengthen instructional systems that improve outcomes for students with disabilities
• Build organizational capacity through flexible leadership support across campuses