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School Leadership Team

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Glenn Duncan

Executive Director and CEO

To change the world would be impossible for just one person, but to change the world one person at a time is not only a possibility, but a personal mission for Glenn Duncan. As the Executive Director and CEO since 2004, Mr. Duncan has led Southlands Christian Schools to become a premier private Christian school in Southern California.  During his tenure, Southlands Christian has experienced dynamic growth and the changing of many lives.

In his previous occupations, Mr. Duncan pioneered marketing and brand management success for a number of companies, including a four year stint in Melbourne, Australia as the Director of Business Development for Linfox Distribution Group. After working closely with a pastor who encouraged him to learn the importance of waiting on God, a passion awakened in him to live his life to please God, which eventually led him to Southlands Christian.  It is Mr. Duncan’s mission to raise up global leaders by first bringing each student to a saving knowledge of Jesus Christ and envisioning them to fulfill their God-given destinies.  His dream is to see Godly, passionate students graduating and becoming agents of change in the world.

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Grant Schmitter

Director of School Operations

Mr. Schmitter graduated with a BA in History and received his multiple-subject teaching credential.  He is currently working on his MA in Educational Leadership and Administration.  Starting in 2010, he has worked at Southlands Christian in our high school, middle school, and elementary levels.  He has served as the 6th grade teacher in elementary and as of 2017, began serving as Elementary Vice Principal.  In this role, Grant began to work closely with the school administration and operations team, being involved in a variety of projects at all levels. In 2019, Mr. Schmitter began serving as Director of School Operations and will refine and develop programs that will continue the innovation that Southlands Christian has brought to Christian education.  His hope is that every student who enters Southlands Christian feels the love of Christ and is given the foundation to impact the world in the name of Jesus.

High School

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Rosie Pack

High School Principal

Mrs. Pack has been a vital part of Southlands Christian for over 17 years. She has a BA in Psychology and a minor in Child Development and achieved an MAE in Educational Leadership and Administration with an emphasis in Curriculum and Instruction. Having taught at both the elementary and secondary levels, she enjoys witnessing the growth and development that occurs in young people. Seeing the things that God has purposed for the next generation is a privilege and a blessing. Her vision and prayer is that each student who enters Southlands Christian leaves with an understanding of the love of Christ and His grace, as well as knowing God’s will for their life.

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Maria Garcia

Assistant Principal of Counseling

Mrs. Garcia has her MA in Education and a BA in Psychology. As a school counselor for 16 years, she worked in both private and public schools. Mrs. Garcia was also a college counselor in La Paz, Bolivia for two years while on a missionary trip with her husband and three children. In her current role as Assistant Principal at Southlands Christian, she oversees the counseling program, helping students achieve their academic, career, personal, and social goals. She provides individual college counseling and assistance to students in the college application process. Her passion is helping to launch students into top universities so that they can obtain successful careers as godly men and women.

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Lauren Cancio

Assistant Principal of Curriculum and Instruction

Lauren Cancio is our Vice Principal of Curriculum and Instruction. She has been with Southlands for over 7 years and has her bachelors in English Literature with a minor in Biblical Studies. She continued her education and received her Masters of Education with a single-subject credential in English. She has been the chair of the English department for 4 years, and in becoming an expert teacher, she now mentors and supports other educators. She is passionate about others and desires to develop and mine the greatness that God has placed in everyone.

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Sara Jacobsen

Administrative Advisor

Mrs. Jacobsen, an educator for 32 years, earned her BA in Education. As Secondary Principal for Southlands Christian for over 14 years, she trained and supervised teachers in the private school sector to further prepare students for success at both the college and professional levels. A lifetime resident of Southern California, she has observed and developed programs at Southlands Christian to adapt to the needs of the ever-growing and changing local multi-cultural communities such as Diamond Bar, Walnut and Rowland Heights.

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Coach Osaar Rasshan

Director of Athletics

Mr. “Coach O” Rasshan has a BA in History from UCLA where he played quarterback from 2005 – 2009. He’s also earned his Masters in Athletic Administration from Concordia University. As the Athletic Director, he is entering his 5th year at Southlands Christian Schools. He’s also had experience teaching History and Physical Education in the private and public sector. His philosophy in life and coaching is to get people to “BUYIN”. This means to “consider others better than yourself” which breeds Unity. Eventually, this mindset leads to success on and off the field or court. He believes that when this philosophy is caught in teams and schools, it cultivates a winning atmosphere that transcends wins or losses.

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Mary Sheriff

Director of Student Leadership

Mrs. Sheriff has a BA in psychology and has taken numerous classes in educational leadership from Azusa Pacific University. She has served at Southlands for twenty-eight years and therefore brings a wealth of experience to her current assignment as Director of Student Leadership. Some of her previous positions at Southlands have been a teacher, Vice-Principal of the High School and Middle School, Principal of the Elementary School, and mentor to new teachers. Her goal is to encourage students to be the best version of themselves daily, in their decision making process and in their interaction with others. Her passion is to equip students with the necessary skills to be exceptional leaders now, in college, and in their future careers!

Elementary & Middle School

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Sue Yoon

Elementary & Middle School Principal

Mrs. Yoon earned her BA in Christian Education (emphasis in Elementary Education & Sociology) and MA in Christian Education. With a passion for teaching, she taught for 21 years before stepping into administration. Her desire in life is to save, touch, and change lives in the name of Jesus Christ through Christian education. In Luke 2:52, it says, “And Jesus grew in wisdom and stature, and in favor with God and man.” That is her daily prayer for all the students here at Southlands Christian Schools.

Preschool

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Lorraine Smith

Preschool Director

Mrs. Smith has been a part of the Southlands family since 1988, initially as a teacher’s aide, then a teacher and ultimately became the director. Always having a passion for children’s ministries, she knew upon graduation from high school what her life’s calling would be. Her desire is to instill in our students the knowledge that they are children of the One True King; that they are beautifully created, loved, equipped and empowered to influence the world for Christ.

International Department

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Jane Zhu

Director of Student Advancement

Mrs. Zhu received her BA in English and previously had been a high-level administrator at the Education Bureau of China where she worked with hundreds of students and top school leaders to develop academic and student growth programs. As an immigrant herself, she understands the academic, social, and personal needs of immigrants and international students from both the parent and student perspective. Her vision is to create a close community between students, parents, and the school, where each individual can better understand each other’s perspectives. Her desire is to be a vessel to guide parents and students through this personal and spiritual journey so they can become aware and thankful of God’s blessings.

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Iris Huang

Director of Business Operations

Mrs. Huang graduated with Honor from UC Berkeley with a BA in Economics. She worked in one of the Big Four accounting firms for five years and earned her CPA credential during that time. Being an immigrant herself, Mrs. Huang walked through her own education journey with English being her second language. God brought her back to the school environment after pursuing her career in public accounting. She currently oversees the international recruiting department and is actively building new business relationships for the school. Working at Southlands ignites her desire to get more involved in students’ lives in order to make positive impacts in their lives.

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