Meet Our Middle School Staff

Braxton Allison is an 8th grade social studies teacher who joined K12 in 2018. He has 7 years of previous experience in education working with students in grades Pre-K through 12th.  Mr. Allison earned a BS in Exercise Science with Physical Education from Lubbock Christian University (2010) and a MA in Educational Leadership from the University of Texas of the Permian Basin (2016).  He holds teaching certifications in the state of Texas in History, Social Studies, Supplemental ESL, Physical Education, as well as principal certification.

Michelle Billings is a 6th grade math teacher who has worked for k12 since 2014. Before joining k12, she worked in brick and mortar classrooms for 8 years as a team lead and as a math specialist, as well as a 4th and 5th grade teacher.  Michelle received her bachelor’s in Elementary Education from Brigham Young University and worked on a master’s degree in Math Education at BYU.

Amy Branson is a 7th grade math teacher.  She has taught math for 16 years. This is her 5th year teaching online.  She has BS in Health Education and a minor in Mathematics Education (and Driver’s Education) from Brigham Young University.

Heather Brown is an 8th grade ELA teacher who joined K12 this year. She has taught in the traditional school setting in Southeast Texas for three years. Ms. Brown graduated from Lamar University in 2013 with a BA in English and a minor in writing. She later received her teacher certification in secondary English and special education.

Anna Castillo is a 6th grade teacher who joined the K12 team in 2018.  She brings to K12 6 years of teaching experience. Mrs. Castillo graduated from the University of Texas A&M-Corpus Christi with a bachelor’s degree in science.

Carla Chaisson is a 7th grade Texas History teacher who joined the K12 team this year. She is a 4th year teacher with experience working as an urban planner over 12 years in both the government and non-profit arenas. Carla earned a Bachelor of Arts in Sociology and Ethnic Studies from the University of Texas at Austin and a Master of City and Regional Planning from the University of Texas at Arlington. She holds certificates in social studies (4-8 and 8-12), special education (EC-12), and middle grades generalist (4-8).

Keli Christodolou, who is also known as Ms. Christy, is an 8th-grade computer literacy teacher. She joined the K-12 family in 2018. Ms. Christy has taught arts, Audio Video Technology, Professional Communications, & Careers. Before starting her career in education, Ms. Christy was a Media Specialist for the City of Lubbock, an international flight attendant, and a television reporter and producer for the CBS affiliate in Myrtle Beach, South Carolina. Ms. Christy holds a Bachelor of Arts degree in Mass Communications and a Master of Science in Instructional Technology and Design.

Coleen Colca is a 6th grade math teacher who joined K12 in 2018.  She has 3 years of experience in brick and mortar middle school as a long-term substitute.  Colleen earned her BA in Interdisciplinary Studies (education) at University of Houston, Downtown.  She holds certificates in 4-8 generalist with ESL, Family and Consumer Science (aka, Home Economics) for 6-12.

Katie Davis joined K12 this year as a math interventionist who works with 6th, 7th, and 8th grade students. She earned a BA in Interdisciplinary and a MS in Curriculum and Instruction from Western Governors University and holds certificates in EC-8 Education.

Alyson Denard is a Middle School English Language Arts Interventionist who joined the K12 team in 2018. She brings more than 4 years of experience in education. Alyson earned a bachelor’s degree in Marketing and a master’s degree in Business Administration from the University of Texas of the Permian Basin. She is a certified ESL teacher for grades Pre-K through 8th.

Ashley DeSkeere is a middle school advisor who joined the k12 team in 2014.  Prior to K12, Ashley taught Kindergarten in Frisco ISD for 9 years.  She brings more than 14 years of experience in education.  Ashley earned a BA in Education from Texas State University.  She holds certificates in Early Childhood Education-8th grade.

Jennifer Eikenhorst is a 7th grade math teacher who joined K12 in 2016. She has over 10 years of experience teaching middle schoolers in a variety of subjects including TX History, literature and math. Mrs. Eikenhorst earned a BA in Education in Middle School Studies from Stephan F. Austin University. She is also in pursuit of her master’s in special education to serve diverse learners. She holds certificate in General Studies 4-8 and Math 4-8.

Emily Galyon is a middle school health teacher. This is her 6th year with K12. She holds a Bachelor of Arts and a Master of Arts and holds many teaching certifications.

Gurtej Grewal is a 7th grade language arts teacher who joined the K12 team this year, in 2018. She taught 7th grade language arts for 5 years in a brick and mortar school and substituted for a number of years prior to that. Gurtej graduated from the University of Houston with a bachelor’s in Interdisciplinary Studies and graduated from Sam Houston State University with a master's in Curriculum and Instruction. She holds the current certificates: Generalist 4-8 and ESL.

Angela Halsell is the middle school counselor at TVAH. This is her 6th year with K12 schools. She has more than 20 years of experience in education and counseling. Mrs. Halsell earned BA degrees in Education and Psychology from the University of Texas at San Antonio and MS degrees in Counseling Psychology and School Counseling from Our Lady of the Lake University. She earned her professional counselor's license and is certified in school counseling at all levels from PK-12.

Deborah Harris is an 8th grade English teacher who joined k12 December 2015. She brings more than 30 years of experience in education and leadership development. Deborah has earned a BS degree in Secondary Education from the University of North Texas. She has earned her Gifted/Talented certification from Southern Methodist University.

Stephanie Hill is an 8th grade science teacher that joined the K12 team in 2015; during her time with K12 she has taught sixth, seventh and eighth grade science. She holds a master’s degree in Education from the University of Texas at Arlington and a Bachelor of Science in Interdisciplinary Studies from Sam Houston State University. GO Bearkats!

Charlotte Holloway is the 7th grade science teacher at TVAH.  She has a Bachelor of Science in History and Biological Science from East Texas State University, now known as Texas A&M at Commerce, Texas.  She has a Master of Science in Library Science from University of North Texas. She has taught middle school science for 17 years, 13 years at Garland ISD and 4 years for K12.  She is very excited to be teaching in the virtual classroom as a 7th grade science teacher! She loves working with students and their families and is looking forward to having a successful year with all of you!

Monique Jackson-King is an academic advisor, currently working with 8th grade students. She has worked with four different schools in the K12 network and has 8 years of experience as an educator. She earned her Bachelor of Arts in Political Science from the University of California, Riverside and found an unexpected love for supporting and encouraging students in 2010 when she switched career fields to best serve her family. In all interactions with her students, she strives to instill in them the truth that they are worth the self-investment into their education.

Juliet Jones is a 6th grade teacher who joined k12 schools in 2010. She has 21 years of experience teaching. She has a master’s degree in Cross-Cultural Education. She is a Spanish speaker.

Lindsey Keaton is a 6th grade ELA teacher. She joined K12 in 2016. She graduated from West Texas A&M University with a bachelor’s degree in education. This is her 9th year of teaching middle school English.

F. Blair Litaker-French is a 7th grade special education teacher who joined K12 this year, 2018. She brings many years of special education experience and has worked and currently holds certificates in 3 other states. F. Blair earned her BA in Elementary Education and her M.Ed. in Special Education from the University of Florida. She currently holds a certificate in special education for the state of Texas. 

Stephen Maddox is a 7th grade Social Studies teacher who joined K12 in 2012.  He brings more than 10 years of experience in education along with 25 years in private business.  Mr. Maddox has a BS in geology from New Mexico State University, and an MS in Geology from the University of Houston.  He has a certificate as Master Technology Teacher, as well as certificates in 6-12 science, 3-12 technology, and 4-8 general education.

Lakisha Marc-Charles, a 7th grade English teacher, has been teaching since 2006.  She earned a master’s degree in literacy from University of Texas at Arlington in 2014. She holds certificates in Language Arts, reading, and social studies, and ESL.  Mrs. M-C contributes all her organizational and leaderships skills to her prior service in the US Air Force. 

Erin Mason is an 8th grade advisor who has been with K12 since 2011. For nearly 20 years she has been in the education field, with experience in brick and mortar high school, tutoring, and online teaching. Erin earned a BA in English from Lamar University and holds a certificate in secondary English Language Arts.

Prissy Metting, 'Ms. Prissy', is an 8th grade math teacher. She brings with her more than 25 years of teaching experience. Being married to a career Navy Sailor, Ms. Prissy has taught in many schools and in 3 different states. But she returned to her home state of Texas as soon as she could. She earned her BS in Mathematics at the University of Texas at San Antonio and her MEd at Our Lady of the Lake in San Antonio. Her and her husband live a mobile lifestyle in a RV, frequently traveling around our great state of Texas. She is an avid dog lover and enjoys learning new things. She holds lifetime certification in 6-12 secondary mathematics.

Jennifer Pinkerton is the lead teacher for the middle school math team. She joined the K12 team in 2014. She brings more than 10 years of experience in education. Jennifer earned a BA in Education at Texas A&M University. She is certified to teach all subject areas in grades 1-8.

Leigh Radichel is an 8th grade American History teacher who joined the K12 team in 2012. She has a BA degree in Education from UNC Charlotte, as well as a Gifted Endorsement and a Reading Endorsement from RESA in Georgia. Mrs. Radichel has taught several different elementary courses as well as 6th grade social studies in the past.

Tiffany Rieves is the middle school P.E. teacher who joined the K12 team in 2016. Tiffany earned a BS in Human Resource Development from Texas A&M University, and a M.Ed. in Curriculum and Instruction from Sam Houston State University. She holds certificates in Early Childhood Education, physical education, and business education.

Michelle Robison is a middle school advisor who joined K12 in 2015.  She has experience in elementary education and has taught 5th grade science and special education.  She spent the last few years as a high school advisor and is excited to have moved to middle school this year.  Ms. Robison has a bachelor's degree from Texas Tech University and is certified to teach EC-6th grade general education, and K-12th grade special education.

Jessica Rodriguez is a 5th grade math/science teacher who joined the k12 team in 2014.  she brings more than 24 years of experience in the field of education.  She moved from CA to Texas in 2012 and brings with her a background in teaching 5-8th grade Math and Science.  Lisa has earned her BA in education from the University of Concordia, St. Paul.  She holds a Clear Credential for K-12 grade with an emphasis in CLAD (ELL)

Jennifer Rye is the middle school art teacher who joined the K12 team in 2014.  She earned her BA in Interdisciplinary Studies from the University of Texas at Dallas with a focus on education.  She is currently pursuing her graduate degree at her alma mater in Humanities and Education. 

Lauren Stewart is a 7th grade science teacher who joined the K12 team in 2018.  She has 9 years of experience teaching science and sponsoring student clubs, such as Student Council and Science UIL.  Lauren earned a BS in Biology and a BS in Cytogenetics from University of TX at Houston-School of Public Health.  She holds certificates in middle school and high school science, Generalist 4-8 and Health K-12.

Leroy Thompson is an 8th grade math teacher who joined the K12 team in 2013.  He is a retired veteran of the United States Air Force with over 20 years of military service.  He holds 3 Associates of Applied Sciences' degrees from the Community College of the Air Force.  He has a Bachelor of Science from the University of Phoenix. He holds certificates in 4-8 grade Generalist and 4-8 grade Mathematics.

Angela Turner is an 8th grade science teacher.  After 30 years classroom teaching in junior high and high school, Mrs. Turner joined K12 in 2016.  She received her BS from Sam Houston State University.  Later she received he MEd in Curriculum and Instruction-Science Education from Texas A&M University.

Amy Velten is an 8th grade math teacher who joined the K12 team in 2012. She brings more than 20 years of experience in education, 8 of them in virtual education.  Amy earned a BA in multidisciplinary studies from Concordia University - Texas.  She holds a Texas Classroom teacher certificate for Mathematics in grades 6 - 12.

Inez Ventura is a middle school advisor who joined the K12 team in 2008. She brings 10 years of experience in education, starting in our Special Education Department, to our high school advising team and as of 2018, happily joining the Middle School team.  She also helps with community service projects, our state testing coordination in Houston and our graduation ceremony.  She has a heart for people and helping.

Kristine Verghese is a middle school advisor who joined the K12 team in 2016. Kristine earned her Bachelor of Science in Psychology from Texas Woman's University.  She brings over 6 years of experience serving in the social services sector catering to children and families, disabled and elderly Vietnam Veterans, senior citizens, as well as the homeless population.

Ana Villarreal is a middle school lead advisor for TVAH. She started with K12 as a contracted staff member of the testing administration team in 2014 and has served in the advising team since. She brings more than 10 years of experience in public service, community outreach and education. Ana earned an Associate Degree in Social Work from the Texas Southmost College and a BA in Government and Public Service from the University of Texas at Brownsville/UTRGV. Ana also has over 10 years of experience in nursing and 4 years of healthcare administration.

Andrea Walker is an 8th grade teacher who joined K12 in 2013. She brings 13 years of experience in teaching and child advocacy experience, leadership, and management in the education and business fields. Andrea has her BA in education and MA in Education Leadership from West Texas A&M University. Throughout her years in education she has been a mentor, department head, and taught 6th, 7th, and 8th grades. Andrea holds certificates in 4-8 reading, EC-4 and 4-8 Generalist and is scheduled to complete her Leadership and ESL tests in November.

Trisha Whitehurst is an 8th grade science teacher who is excited to be a new member of the K12 team. She has a BA in English from Texas A&M University - Corpus Christi, and she is pursuing an MA in Technical Communication from Texas Tech University. While she has been teaching 8th grade science, she has special training in ESL and reading comprehension from her university studies in English.

Holly Witte is a middle school social studies and science lead who also teaches 6th grade science.  She is in her 5th year with K12. She has been teaching since 2007 and has earned her master’s degree in Online Teaching and Educational Technology through Liberty University in 2015.  Her teaching philosophy is to inspire life learning and encourage individual growth with open mindedness and mutual respect with a focus on the whole child.