Welcome to Chemistry!!

My name is Bonnie Dortch and this is my fifteenth year here at Liberty Hill High School.

I graduated from Texas Lutheran College, now University with a Bachelors of Arts in Chemistry and from the Southwest Texas State University, now Texas State University with a Masters of Science in Chemistry. I worked for nine years at the University of Texas Health Science Center-San Antonio in the department of Cellular and Structural Biology doing Genetics research, Genomic FX and the University of Texas before becoming a teacher.

The best way to contact me is by email. My email address is bdortch@libertyhill.txed.net. Should you need to contact me by phone, my school phone number is (512) 260-5500.


This is the best place to get information about Chemistry classes. However, homework videos and digital assignments will be posted on Google Classroom. Other assignments will be posted on this site along with additional study materials and aids. Please click on the links to find more information about my classes. Some of the links will be password protected due to copyright laws. Every student enrolled in my classes will receive a password for these documents. Please email me if you forget the password or need access.

Although I am usually available before and after school for tutorials. After school is by appointment only.

I am also one of the coaches for the UIL Science team. If you are interested in joining the team please contact me.