Upper Elementary

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3rd Grade

Lillie Vickery graduated from the University of Texas at Tyler with a Bachelor of Science degree in Criminal Justice and a minor in Sociology. All along she had a passion for learning and loved the notion that education can empower people. With that, she went back to get her teaching certification while an administrative assistant in a hospital. This will be Ms.Vickery’s 3rd year at The Guthrie School, while she previously taught all subjects in 4th grade at Longview ISD in East Texas. Outside of the classroom, Ms.Vickery loves to spend time with her talented son and daughter, traveling, trying out various restaurants, and watching sports! She can’t wait to get another year going at The Guthrie School and seeing the growth of students throughout the year!


4th/5th Grade Homeroom

Sharon Combs earned a Bachelor of Science degree with a major in education and a minor in math from East Texas State University. Sharon also earned a Masters in Reading and Earth Science along with a certification in gifted education. She has served in public education for 36 years with experience in all grade levels K-12. Sharon taught 12 years of middle school math and served as the Literacy/Instructional Specialist at Wells Elementary in Plano ISD. Sharon also served as the Assistant Principal in a Garland ISD elementary school for 2 years. Sharon and her husband live in Plano and have 3 children.

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6th Grade

Humanities and Math

Jeff Davis has degrees from the University of North Carolina and Duke University in history. However, as an undergraduate and a graduate student he also studied foreign languages, literature, and philosophy extensively. While in the middle of a doctoral program focused on the history of early modern Europe, Jeff decided he would put his studies aside to become a teacher and start a family. His first teaching jobs were in preparatory schools where he taught history, Latin, French, and other subjects while also coaching track and cross-country. Since 1995, Jeff has taught and tutored numerous subjects to all ages of pupils ranging from toddlers to middle-aged adults. Jeff has been with Guthrie now for five years. He appreciates the fact that Guthrie hires teachers who can be trusted because of their experience and expertise, and then grants them the freedom to construct an educational experience that is best suited to each unique set of students. Jeff also believes that there is a noticeable unity of purpose and family atmosphere at Guthrie because the administrators of the school have not only been classroom teachers themselves, but are still teachers and tutors who are connected to the daily realities involved in teaching and learning.

4th/5th Grade

Language Arts

Klare Glendinning has a long career in the field of education, and is certified to teach all subjects in grades 1-8.  She received a Bachelor of Science degree from Baylor University and her Master of Education degree from Texas Christian University.  Prior to moving to Plano, she taught in the public school system in Arlington ISD and Fort Worth ISD.  Klare retired from Plano ISD after serving the district for 26 years in many capacities, including teacher, team leader, campus literacy specialist, instructional coach, and most recently as an instructional specialist.  Klare is a Certified Academic Language Therapist, CALT, as well as a Dyslexia Therapist, DT, receiving her multisensory training at the Luke Waites Center for Dyslexia and Learning Disorders at Texas Scottish Rite Hospital for Children.  She also holds additional certifications in English as a Second Language, ESL, as well as Gifted and Talented instruction.  Klare is a professional member of ALTA, Academic Language Therapy Association, as well as ATPE, the Association of Texas Professional Educators.  Klare was honored in 2005 as the Teacher of the Year for Brinker Elementary, and also received the Texas PTA Lifetime Membership Award in 2006.  Klare enjoys gardening, travel and watching football.  However her greatest passion is spending time with family.  She and her husband, David, have three daughters.  Her oldest daughter, Gracie, is a graduate of Baylor University and working as a Registered Nurse with the Baylor Institute of Rehabilitation Hospital in Dallas.  Her middle daughter, Molly, is at the University of Mississippi, Ole Miss, studying Communication Sciences and Disorders to be a Speech Language Pathologist.  Her youngest daughter, Mattie, is in high school.  She is involved in drill team, choir, dance and church activities.  In looking ahead to the next chapter in her educational career, Klare was drawn to The Guthrie School’s family atmosphere and pursuit of academic excellence.  She believes in the quest for scholastic rigor and tenacity to foster higher learning in the acquisition of knowledge for all students.

3rd, 4th, and 5th Grade Math

Sherry Palayoor feels blessed and excited to be a member of the Guthrie family. She was born and raised in India. Sherry earned a Bachelor’s in Education from Mahatma Gandhi University, India, and a Master’s in Physics from Calicut University, India. She has also received her Texas Educator certification in math and science (grades 4-8) Sherry has over eight years of experience in teaching math and physics to students of different backgrounds. Her family includes her husband, Vinod Davis and two wonderful girls, Tessa and Teena. In her spare time she enjoys gardening, shopping and spending time with her family. As a teacher, Sherry strives to create a classroom full of active learning and joy, resulting in a positive learning environment.

5th and 6th Grade Science

Sangeetha Thangamuthu is so excited to continue her journey as a science teacher at The Guthrie School. Sangeetha graduated from The University of Texas at Dallas in 2014, earning her Bachelors of Science degree with a major in Biology.  She was a teaching assistant during her last semester at UTD for a Cell Biology lab under Dr.Irina Borovkov. Science has always been the subject that interested Sangeetha most and a class that she looked forward to. She believes that science gives children a basic understanding of how the world around them works. Sangeetha had some amazing teachers that inspired her to take the science path. She has also been an actively involved mom in her own children’s education. All of her volunteering experiences at different schools taught her how to create a respectful and engaging classroom environment so that students are encouraged to learn, become powerful thinkers and act as good citizens. Sangeetha lives in Plano with her husband and two children, Sachin and Sruthi. She enjoys working out and cooking.