CTE Staff
CTE Staff
Embedded Files
Gretchen Peratt, CTE Coordinator
Phone: 760) 247-7206 Ext. 21440
Meet Mrs. Peratt. She graduated AVHS in 1997 and has taught here since 2003. She has taught Science, Math, ASB, AVID and in 2010 helped establish the Computer and Media Pathway (CAMP) Academy. She was the CAMP teacher until 2021, where she became the CTE Coordinator. She loves working with all of the pathways, and is very passionate about student growth. She loves spending time with her family, her husband, two children and many nieces and nephews. When asked what her favorite part of the job is Mrs. Peratt said, “Interacting with the students and watching them succeed." She also stated "The teachers at AVHS are the BEST, and make so many opportunities for their students to obtain valuable industry standard skills."
CTE Teachers
CTE Teachers
Ashlee Carpino, Patient Care Pathway, MAHST Academy
Ext. 71602
Meet Mrs. Ashlee Carpino, MAHST Academy Coordinator and Teacher. Mrs. Carpino taught in the MAHST Academy from 2017-2020 and is so happy to be back in the classroom. Mrs. Carpino is a 2014 graduate of Loma Linda University- School of Allied Health Professions with a background in Physical Therapy in multiple settings including Acute Care, Assisted Living Facilities, Outpatient Orthopedics, Pediatrics, Home Health and also has experience as a Hospice Evaluator and Community Liaison. She loves spending time with her family. When asked what her favorite part of the job is, Mrs Carpino said “My favorite part is building relationships with my students while sharing my patient care experiences and knowledge with them and watching them grow in their own knowledge and skills throughout the years
Allison Crosswhite, Food Service & Hospitality Pathway
Ext. 71702
Meet Mrs. Allie Crosswhite, the Culinary and Baking teacher. When she came to the school in 2019 she brought with her 15 years of experience in the Food Service industry and now shares her passion and amazing talent with her students. When asked what her favorite part of the job is Mrs. Crosswhite said, “Getting to witness students become more confident in the kitchen and seeing their progression. Also seeing their excitement when they get to share what they have created!”
Josh Dollar, Systems Diaginostics, Systems & Repair Pathway
Ext. 71207
Meet Mr. Josh Dollar, the Automotive instructor here at AVHS since 2005. Dollar is certified through the Automotive Service Excellence as a Master Technician allowing him to teach kids meaningful skills in the automotive industry. When asked what his favorite part of the job is Mr. Dollar said, “Teaching students how to perform a service and seeing them excited for something they do. And even if they do not become mechanics they can still learn lifelong lessons about their vehicles.”
William Hoegerman, Machining & Forming Technologies Pathway , AVEX
Ext. 71203
Meet Mr. William Hoegerman, the Precision Machining teacher and the Apple Valley Engineering eXtension (AVEX) coordinator. Mr. Hoegerman went to trade school for machining and currently works on car part fabrication which he has been doing since he was 10 years old. When asked what his favorite part of the job was Mr. Hoegerman said, “Watching students create a product from scratch, something that they wanted to make, and prototyping it until it’s perfect.”
Annie Jesness, Design, Visual, & Media Arts Pathway: Graphic Design & Print Production
Ext. 71411
Meet Miss Jesness! She is the new Graphics CTE teacher at AVHS. She teaches Graphic Communications 1 and 2. Miss Jesness is an alumni of AVHS and the CAMP Academy. With her Bachelor’s of Fine Art in Graphic Design + Digital Media, she hopes to inspire students to pursue a career or continue their education in art, media, and graphic design.
She spent her college years honing her skills in the Adobe Creative Suite and forming connections with many industry professionals. Post college, Miss Jesness spent time working as a Graphic Designer for many different people, brands and projects. When asked what her favorite part of her new job as a teacher has been, Miss Jesness said “I love forming connections with the students and earning their trust. I want them to feel confident and comfortable to take risks and make mistakes on their design journey!”
Carlee Johnson, Patient Care Pathway, Sports Therapy
Ext. 71307
Meet Ms. Carlee Johnson, aka Ms. C, the Sports Medicine teacher and Athletic Trainer at AVHS. Ms. C joined us in January of 2022. She has worked as a high school athletic trainer for 3 years after interning countless hours with professional motocross racers and college athletes. Ms. C graduated from San Jose State in 2020 with her B.S. in Athletic Training and a minor in Sports Nutrition. She also completed her M.S. in Sports Management last year. When asked what her favorite part of her job was Ms. C. said, “Seeing the excitement and dedication that comes from the students as they progress through the classes”.
Taylor Kerns Arts, Media and Entertainment Pathway, CAMP Academy
Ext. 71410
Meet Mrs. Kerns, the CAMP coordinator and Computer and Media Pathway (CAMP) Academy teacher. She has been teaching since 2022 and is an alumni of both AVHS and the CAMP program. She is dedicated to fostering a supportive and creative learning environment for her students that allows them to be themselves and get as creative as possible. She is a wife and a mother of two. She loves her family and her job. She is happy to be a Sundevil for life! When asked what her favorite part of her job is, she stated "watching students succeed and producing media that showcases their creativeness".
Tiffani Knox, Arts, Media and Entertainment Pathway: Design, Visual, & Media Arts Pathway: Graphic Design
Ext. 71402
Meet Mrs. Tiffani Knox! She teaches Print Production here at AVHS. Mrs. Knox is a proud AVHS alum, Class of 2015, who brings years of real-world experience back to the classroom. Since 2012, she has been screen printing, designing, and producing custom products through her family business.
Mrs. Knox began her teaching journey at AVHS in 2026 and is excited to share her experience and creativity with the next generation of students. She loves helping students develop their skills, explore their creativity, and see their designs come to life!
Cale Lepper, Patient Care Pathway, MAHST Academy
Ext. 71608
With 15 years of experience as an NBSTSA board-certified Surgical Technologist working on both the East and West Coasts, along with a bachelor’s degree in Healthcare Administration, he brings diverse surgical expertise and leadership experience to the CTE MAHST program. His extensive experience in hospital-based healthcare has given him a deep understanding of the critical role healthcare professionals play in patient care. He is excited to share his passion for healthcare with students and show them how their skills can directly contribute to saving lives and improving patient outcomes. He looks forward to mentoring the next generation of healthcare professionals and helping students discover the many rewarding career opportunities available in the healthcare field.
Ryan Ostlie, Software & Systems Development: Systems Programming Pathway
Ext. 71405
Meet Mr. Ryan Ostlie, the Video Game Design instructor. Mr. Ostlie joined AVHS in 2006 and has taught AP Computer Science since 2007. During college, Mr. Ostlie started a business that created web pages, installed technology, and provided technical advice for businesses. Both of Mr. Ostlie’s parents were teachers and following in their footsteps teaching was his first job after college. When asked what his favorite part of the job was, Mr. Ostlie said, “Helping kids discover something new that they enjoy or that they didn’t know they would be really good at.”
Casey Penfold, Ag Mechanics Pathway
Ext. 71210
Meet Mr. Casey Penfold, the Agricultural Engineering / Welding teacher since 2008. On top of being a great teacher, Mr. Penfold is certified by the American Welding Society as a Welding Inspector allowing him to properly prepare students for careers with industry-standard welds. On top of having a Master’s Degree in Education, Mr. Penfold spent 2 years working in a welding and machine shop and also worked in commercial construction for 3 years. When asked what his favorite part of the job was Mr. Penfold said, “Seeing students become confident in their skills and success in their work.”
Jennifer Pierson, Animal Science Pathway
Ext. 71208
Mrs. Pierson is an accomplished farmer, rancher, educator, and off-road racer who has been teaching and inspiring young minds since 2020. As an FFA advisor and 4-H leader, Mrs. Pierson has led multiple student groups to impressive achievements, including placing in the top 5 at regional speaking competitions and coaching a top 4 finalist for the National FFA Sheep Proficiency Award. Her dedication has also guided numerous students to win grand and reserve champion titles for their animals at the SBC Fair.
Mrs. Pierson's commitment to agriculture extends far beyond her personal involvement in farming and ranching; she is deeply invested in mentoring future agricultural leaders. Her roles in FFA and 4-H allow her to equip students with practical skills, strong values, and the confidence to thrive in agriculture. For Mrs. Pierson, farming is not just a way of life—it’s a powerful means of fostering responsibility, resilience, and pride in hard work. Her unwavering dedication to agriculture and teaching makes her a guiding force for young people ready to grow into the next generation of informed, innovative, and capable agricultural leaders.
Josh Rees, Residential & Commercial Construction Pathway
Ext. 71201
Meet Mr. Joshua Rees, the Construction teacher here at AVHS. Mr. Rees has been surrounded by both residential and commercial construction his whole life. He teaches Construction topics in the evening with the adult students. He also is an instructor at our local college VVC; Teaching woodworking. He has a small business in shed building. When asked about his favorite part of the job Mr. Rees said, “I love seeing when the lightbulbs turn on for students both literally and mentally”
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