Katie Marchesiello

School Acceleration Partner

As a School Acceleration Partner, Katie works with the Executive Director to improve and refine the Jounce coaching model and leads training for school leaders and teachers across Jounce partner schools.

Before joining Jounce, Katie served as the Assistant Principal of Humanities Instruction for grades 3-8 at Grover Cleveland Mastery Charter School. In this role, she led a team of educators in implementing school-wide reading and writing initiatives grounded in the Science of Reading. Through targeted instructional coaching and professional development, Katie helped improve reading fluency and increase overall reading proficiency across the school. Prior to stepping into leadership, she taught 6th-8th grade ELA at both Cleveland and EastSide Charter School in Delaware. Katie’s educational journey began with AmeriCorps' Notre Dame Missions Volunteers, where she committed to the core belief that literacy is a tool for liberation, and that equitable education should be a right for all students.

Katie earned a B.A. in English Literature and Psychology from the University of Delaware and an M. Ed. in Secondary English Education from Wilmington University.