Phone: 830-357-


Degrees and Certifications:

BS Biology with a General Science Minor EC-8 Generalist 8-12 Life Science GT and ESL Certified Google Educator - Levels I and II

Ms. Wendy Sangdahl

Wendy Sangdahl is excited to join the Champion Charger family as a 9th grade Biology teacher. Originally from Ohio, she earned her Bachelors Degree in Biology from Bowling Green State University. After graduation, she worked in pharmaceutical sales for many years. She left pharma behind to be a stay-at-home mom to daughter Caitlin. Ms. Sangdahl returned to school and obtained her EC-8 Generalist, 8-12 Life Science, and ESL certifications. She is also a GT and Google Levels I and II certified educator.  Currently, Ms. Sangdahl is obtaining her Masters of Education degree in Educational Leadership from Schreiner University. 

For the past 3 years, Ms. Sangdahl taught 7th grade Science at Voss Middle School. She was honored with being named the 2021 Voss Teacher of the Year.  

In her free time, Ms. Sangdahl enjoys DIY projects, reading, gardening, and baking. Her daughter Caitlin is a senior at Texas A&M University. This will be Ms. Sangdahl's 13th year teaching (all in Boerne ISD). Go Chargers!

 9th Grade Biology Website:


2022-2023 Schedule


1st Period - Honors Biology

2nd Period - Honors Biology

3rd Period - Conference                   

4th Period - On-Level Biology


5th Period - Conference/PLC

6th Period - On-Level Biology

7th Period - Honors Biology

8th Period - On-Level Biology