​Science Department

Welcome to science at Pine Creek High School.  There are a wide variety of classes and passionate teachers in the department available to every student.  Our teachers are content experts and dedicate their professional careers to helping students learn and succeed. 

Course Offerings

See the Pine Creek High School Course Guide.

Useful Links

Contact a Faculty Member: 

To contact a member of the Science Department, please:

  • Type (i.e. Frida Kahlo would be into the address box of your email.

  • Access the Staff Directory, or

  • Use the teacher's email address provided in Infinite Campus.

 ‭(Hidden)‬ Meet the Science Department

University of Oklahoma.jpgWendy Anderson developed and teaches the Zoology I and Zoology II programs at Pine Creek High School.  She has taught at PCHS since 2001.  Wendy is an Army Brat who grew up in many different countries and states, but was able to call Oklahoma "home" through high school and college.  She obtained her Bachelors of Science, in Biology, from Cameron University, and earned a Master's of Science in Zoology, from the University of Oklahoma.  Wendy carries her love of animals and zoology into her daily life which she shares with her husband, 3 donkeys, 2 goats, 8 chickens, 3 colonies of bees, and 3 cats.  Wendy enjoys being outdoors, and her favorite activity is mountain biking.

Duke University logoHeather Bunnell teaches science at Pine Creek High School and has been a part of the department since 2014.  Prior to working at Pine Creek, she worked at Vista Ridge High School in D49 and at Fort Walton Beach High School in Florida.  She grew up in Tempe, Arizona and attended Arizona State University, earning a B.A in Chemistry and a B.S in Microbiology.  After college, Heather attended Duke University and earned a M.A. in Biochemistry.  She is a military spouse and has three children who attend District 20 schools.  In her spare time, Heather enjoys being outdoors either hiking or skiing.


Mark Carrico is a science teacher at Pine Creek. This is Mark's 13th year at Pine Creek. He grew up in the area and attended D20 schools as a child. Mark is a graduate of Mesa State College where he majored in Animal and Cellular Biology and then received his Master's Degree in Secondary Education from the University of Phoenix. He has a background in both field research and medical device research and development. Mark is married and has one child who also attended District 20 schools. In his spare time, he enjoys being with his family and friends in the mountains.

Colorado School of Mines.pngDick Castle teaches Honors Chemistry and AP Chemistry. He is beginning his 21st year at Pine Creek and his 32nd year total in District 20. Dick has a BS in Chemical Engineering from the Colorado School of Mines and earned his teaching certification from the TEP program at UCCS. In addition to his teaching assignments, he coaches basketball at Pine Creek.  He is a Colorado native and enjoys having Denver Bronco season tickets, following NCAA basketball and golfing. He and his lovely wife, Erika, have two daughters who are Pine Creek graduates. 

Concordia University.pngDawn Dillon has been teaching science since 2015 and mathematics since 2009. She previously taught Life Science, Forensic Science, and Algebra with Cincinnati Public School District and Fountain-Fort Carson School District. She was raised in Louisville, Ohio but moved to Colorado Springs (via the Army) in 2009.  After almost ten years of active duty service, Dawn and her family chose to settle in Colorado Springs after transitioning to civilian life. Dawn earned a Bachelor of Science in Education from The University of Cincinnati and a Master of Education in Curriculum and Instruction with an emphasis in Environmental Science from Concordia University. Dawn enjoys anything outdoors--hiking, fishing, gardening and playing sports with her husband, son, and Labrador Retriever.  Dawn’s passion is to provide engaging opportunities for students to experience science and develop an ethical understanding of our world. 

University of Colorado Colorado Springs logoAlisha Donald teaches biology (AP, honors and general), as well as general chemistry. She grew up in a small town outside of Rochester, New York and earned a bachelor's degree in Biology with a minor in Earth Science. After working on several research projects in the National Park Service, she returned back to school and received her master's degree in Curriculum and Instruction from the University of Colorado at Colorado Springs. She has taught at Pine Creek since 2006, and is currently studying Educational Leadership at Western State University. Alisha enjoys outdoor activities such as fishing, skiing, and hiking, and is an avid runner in her spare time. She spends her time in the mountains with her husband and two children.


University of Oklahoma.jpgJennifer Gaskin received a BS and MS degree in Botany from the University of Oklahoma. Following her graduation, she was a research assistant for four years at Oklahoma Medical Research Foundation, working in the field of neurology. Jennifer has been teaching life science for over 20 years and has been at Pine Creek since 2015.  Currently she teaches AP Biology and AP Environmental Science. For fun Jennifer enjoys traveling with her husband and adding to her adventures that have included Paris, Western Africa, and the Galapagos.


University of Colorado Colorado Springs logoKyle Gracia is a native of Colorado Springs, CO and a D20 graduate.  He earned a bachelor's degree from UCCS in biology. He teaches Honors Biology, and AP Environmental Science. In addition to his teaching assignments, he coaches baseball at Pine Creek.. 

Montana State University logoCourtney Harrell is one of the department chairs for science and currently serves as the Advanced Placement and 504 Coordinator.  She has taught at Pine Creek since 2006 and continues to enjoy the students and staff.  She grew up in Woodland Park, CO, earned a bachelor's degree from the University of Colorado at Colorado Springs, a master's degree from Montana State University and earned principal licensure through Western State Colorado University.  Courtney enjoys life in Colorado – especially raising chickens and ducks, snowboarding in winter and baseball in summer.  She spends her spare time with her husband, two kids and dog. 


Walden University logoKelly Newcomb has taught at Pine Creek since 2012 and currently teaches the new Project Lead the Way Biomedical Science Program and also teaches one section of Earth Science. She earned a bachelor's degree in Sports Medicine from Appalachian State University in Boone, NC, a Master's degree in Integrating Technology from Walden University, and worked as an athletic trainer in the field for 20 years. Kelly enjoys spending weekends with her family—her husband is a computer programmer and her two young children.  She is really excited about integrating the medical field into the classroom and growing the PLTW program for District 20.


University of Colorado Colorado Springs logoMitchell Smith graduated from the magical land of Manitou Springs, and after trying to find his way through college, he finally graduated from the University of Colorado at Colorado Springs with a BA in Biology and a Secondary in Education. After receiving his degree, Mr. Smith decided to take his knowledge, of the living world and his amazing soon to be wife, to Alaska. He taught middle school science in the beautiful town of Metlakatla, AK for two years. After his stint in Alaska, Mr. Smith moved back to Colorado and worked at Ranch View Middle School in Douglas County for one year, before relocating more permanently to Colorado Springs and landing a job being a Science Guru at Pine Creek High School. In 2017, Mr. Smith was blessed with a beautiful daughter. Other than being the greatest Dad of all time, Mr. Smith enjoys basketball (playing/watching), yoga, hiking, stargazing, and dropping bombs of knowledge on younger generations.


University of Colorado Colorado Springs logoAlexandria Tannehill-Smith is a D20 graduate of Air Academy High School. She earned her BAS degree in Biology from the University of Colorado at Colorado Springs. After graduating, Alex spent her first two years of teaching in Alaska on a tiny Native Reserve Island, called Metlakatla. She spent a year teaching at Chatfield Senior High in Littleton, Colorado; and has since happily relocated permanently to the Springs, where she is thrilled to have made Pine Creek High School her home. Alex and her husband (Mitchell Smith- another PCHS science teacher) have an 8 month old daughter and two golden retrievers. Outside of school Alex enjoys yoga and hiking and spending time with her little family.


University of Colorado Colorado Springs logoPaul Waring is a native of Colorado Springs, CO and a D20 graduate.  He earned a bachelor's degree from UCCS in biology with a pre-med emphasis.  Paul has been teaching at Pine Creek since 1999 and teaches anatomy and physiology, science in sports, biology, and chemistry.


Oregon State University logoMegan White has been teaching science since 2000, and has been teaching everything from Earth Science to Chemistry at PCHS since 2007.  She is also one of the AVID elective teachers and an AVID science teacher at Pine Creek. Megan is originally from Portland, Oregon and graduated from Oregon State University with a bachelor's degree in General Science and Earth Science and later with a master's degree in Secondary Science Education. Megan enjoys everything the beautiful state of Colorado has to offer and has a very active family with her husband and four young children.  They love being outdoors, travel, and are avid CrossFit athletes.