• Liberty Union High School District Board Members


    Board President

    Trustee Area 1 

    Yolanda Peña-Mendrek served on the LUHSD Board from 2006-2010 and was re-elected in November 2012. She retired from the District after serving as Assistant Principal to both Liberty and Heritage High Schools. Mrs. Peña-Mendrek earned her Master's Degree in Education with an emphasis on Curriculum and Instruction and brings to the Board her teaching experience in English as a Second Language (ESL), Business Education, and Spanish.  Current term ends 11/2024
    Dr. Hawley

    Board Clerk

    Trustee Area 2

    Dr. Tamela H. Hawley was elected to the LUHSD Board of Trustees in 2020. She is a Brentwood resident and is a Vice President at the WASC Senior College and University Commission (WSCUC) where she has served since October 2016. She joined WSCUC from the San Jose Evergreen Community College District where she served as Vice Chancellor for Institutional Effectiveness and Student Success. Tamela has been involved in quality improvement for over 15 years, serving as an examiner for the Baldrige Performance Excellence Program and as a judge and trainer for the California Council for Excellence. She also supports youth sports by serving as a superior judge for the United States Gymnastics Association. Her areas of interest include measuring institutional effectiveness in higher education and increasing access and achievement for diverse student populations. She and her husband are the proud parents of twins who graduated from Liberty High School in 2020. Tamela holds a Bachelor’s degree in Psychology, a Master’s degree in Higher Education & Work and a Ph.D. in Higher Education & Social Change from UCLA. Current term ends 11/2024


    Board Trustee

    Trustee Area 5

    Pauline Allred was elected to the LUHSD Board of Trustees in 2014. Mrs. Allred is a Brentwood resident and a Special Needs Educator in the Brentwood Unified School District.  She has volunteered many hours in the community including, area schools as well as other organizations. Mrs. Allred is also an active committee member with Boy Scout Troop 93 as well as a parent volunteer for the Heritage High School Parents Organization and Vice President for the Adams Middle School Band Booster.  Her unique insights will benefit the community and working with staff, parents, and students.  Current term ends 11/2026
    Sandy McCaslin

    Board Trustee

    Trustee Area 4

    Sandy McCaslin was elected to the LUHSD Board of Trustees in 2022. Mrs. McCaslin has been a Discovery Bay resident since 2003.  She and her husband, Ron McCaslin met in 1990 and have been married for over 25 years.  They are the proud parents of two sons, Bailey and Riley McCaslin.  Bailey graduated from LHS in 2018 and now attends Med School.  Riley currently attends Excelsior Middle School.

    Her areas of interest are campus safety and student learning.  She serves her community and is a Brentwood Rotarian.  Mrs. McCaslin is a Certified Coach, Teacher, Trainer and Speaker with John Maxwell.  She is a dedicated Executive with over 20 years’ experience in increasingly progressive roles and responsibilities in Operations Management.   She is a visionary leader with a strong business acumen.  McCaslin is a respected Executive and board director with extensive experience overseeing the day-to-day administrative and operational functions of a business. Current Term ends 11/2026

    Susan Wallace

    Board Trustee

    Trustee Area 3

    Susan Wallace was elected to the LUHSD Board of Trustees in 2022. Mrs. Wallace has been a Brentwood resident since 2002 and served on the Brentwood Planning Commission from 2012-2013. She and her husband are the proud parents of three children who have attended elementary, middle and high school in Brentwood. Mrs. Wallace has been involved with Brentwood schools since 2005, having volunteered as a classroom assistant, fundraiser and gardener for Brentwood Elementary School, as an Odyssey of the Mind judge and coach reaching the World Competition three times, and as a volunteer for three years for Grad Night at Heritage High School. Her areas of interest are providing creative opportunities for student growth and support for academic excellence. Mrs. Wallace has a background in management consulting and telecommunications and worked for Siemens AG in Munich and Coopers & Lybrand in Zurich. She has a BA in economics and an MA in sociology from Stanford University, as well as an MBA from INSEAD in Paris. Current term ends 11/2026