Phone: 520-696-5624


Degrees and Certifications:

B.S. Environmental Studies M.Ed. Curriculum and Instruction Certifications 6-12 Biology Environmental Science Career and Technical Education

Ms. Caroline Krater

Dear Parents, Students and Guardians:

As classes continue from home, there is information unique to each class posted in our Google Classroom.  This will be the touchstone place to find out what is happening and what can be expected.  For each class, I have also setup a Remind account*.  Please subscribe to this and I can send out messages or reminders to students that align with the Remind Norms I have posted.  


I cannot auto add all students to my Google Classroom, so if our class is not showing when you log in, please click on 20-21 Google Classroom Info and follow the instructions.  If you still are having difficulties, please email me at 

I know this is a different way of starting school, and I know that many students and parents wish we were returning to campus.  I believe if students choose to engage in remote learning and become active participants in our school time, we can have a successful, interesting and productive start to our school year.

I look forward to meeting with you, to getting to know you and to teaching you science and also technology skills.  Please organize yourself so you are ready to meet Monday, August 10th at your assigned class time.  The invite to our Zoom will be posted in Google Classroom.  Please be certain you can join Classroom before Monday and please review and follow the Zoom Norms posted in Classroom or on my webpage under Course Info.


It's a brave new world.  See you soon!

Ms. Krater


My name is Caroline Krater.  I am a returning teacher to CDO.  I had the amazing opportunity to teach here from 2006-2010 and was rehired upon my return to Tucson.  I am excited to be taking on the AP Biology class this year, along with the lab-based CTE/Science class Biotechnology I and II.

My background encompasses both working as a scientist and a teacher.  I worked for years in many science labs.  I did behavior and genetics work in mice for the University of Utah, I worked for the USDA doing moth pheromone research and for a medical testing lab running endotoxin screenings.  I also worked as an environmental consultant before I became a teacher.  I have worked teaching science since 2004.  My primary teaching focus has been in Biology, but I also have experience teaching Environmental and Integrated Science.

I chose to become a Science teacher, because I love science and believe that it should be taught as a hands-on endeavor.  Lab-based learning helps students understand and retain information in ways that notes, vocabulary and worksheets do not.

Although it is important to know scientific facts, it is more important to use the habits of mind utilized by scientists.  Asking questions, problem-solving, making observations and inferences, being able to analyze and interpret data and draw logical conclusions are skills that are necessary to be successful in many fields and necessary to be a successful person in this high information world.