SAN DIMAS/LA VERNE – The Bonita Unified Board of Education approved two new administrative appointments at Bonita High School during its June 10 meeting, adding new leadership to the Bearcat community ahead of the 2026-27 school year.

Lauren Choi and Kira Grund will join Bonita High School as assistant principals, bringing additional support to a campus leadership team focused on serving students and staff. These additions round out an administrative team that includes assistant principal Joy Lindsay and principal Kenny Ritchie.

Choi comes to Bonita High School with nine years of school administrative experience. Before becoming an administrator, she taught high school English, English language development and Advanced Placement Psychology. She holds master’s degrees from Biola University and Cal State Long Beach. Choi is a 14-year San Dimas resident with two children currently attending Bonita Unified schools.

Grund joins Bonita High School after 15 years in Charter Oak Unified School District, where she taught science and served in several leadership roles, including Western Association of Schools and Colleges coordinator, Professional Learning Community lead, science department chair, International Baccalaureate and Advanced Placement coordinator, and community schools attendance advisor.

Before entering education, Grund worked as a certified athletic trainer at Bishop Amat High School, UC Irvine, and Indiana State University.

“We are excited to welcome Lauren Choi and Kira Grund to Bonita High School and to the greater Bonita Unified community,” Bonita Unified Superintendent Matt Wien said. “Their experience, leadership and commitment to supporting students will add to a powerhouse administrative team and help ensure Bonita High School continues to thrive.”

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BUSD_NEW_ADMIN_2026: Kira Grund and Lauren Choi will join Bonita High School’s administrative team as assistant principals for the 2026-27 school year.