Administration

Mr. Mark Koller brings extensive experience in public education and campus leadership to Legacy Ranch High School. Throughout his career, he has served students, staff, and families in a variety of teaching and leadership roles across Central Texas.

Mr. Koller began his career in education as a special education teacher in San Marcos CISD before moving into classroom instruction and campus leadership in Leander ISD and Liberty Hill ISD. Over the years, he has served as an assistant principal and principal at both the elementary and secondary levels, helping lead campus openings, support teachers and staff, and build strong school communities focused on student success.

He is passionate about developing people, creating positive campus culture, and building meaningful relationships with all stakeholders. His work has consistently centered on supporting a student-first approach to leadership with high expectations.

Mr. Koller is honored to serve the students and families of Legacy Ranch High School and is committed to helping build a school community where every student is known and challenged to succeed.