Mr. Chad Castillo

Phone: 520- 696 -5622


Degrees and Certifications:

B.S. Biology (Focus on physiology) Minor in Chemistry M.Ed Teaching & Teacher Education

Mr. Chad Castillo


Thank you to everyone that put forth their best effort during these crazy times.

Grades will be finalized this Friday (05-22). If you have any questions please email me at


To log on to my google classroom please follow the steps below.

1. Go to:

2. Sign into your student gmail account using student email and password  (Email: & Password: First name with first letter capitalized)

3.Click the “+” symbol in the top left corner to join a new class

4. Select your period of CP Chemistry

5. Enter your class code (SEE BELOW)

Period 2: jubnwdq

Period 3: 3jbz264

Period 4: vpyao4z

Period 5: 4joarqg

Period 7: 7smlr5l (l is a lower case L)


Background Information

This is my fifth year at CDO and tenth as an educator in Tucson.  I am a life long Tucsonan having graduated from Salpointe in 2002, and the U of A in 2007. I have an awesome nurse practitioner wife and 3 kids under the age of 8!  I'm also a the head club swim coach for the La Paloma swim team.  

Please use this site as a reference for missed assignmnets and class rubrics.


Core beliefs

I believe that the ability to think scientifically is one of the most benificial skills to have.  Helping students practice the skill and understand how to use it in their life drives my teaching style.  It's also pretty cool to blow stuff up :)



2010-2012 Maxwell Middle School TUSD

2012-2015 Palo Verde H.S.

2015 to present CDO

I have been a high school swim coach since I was 19 years old.



Associate in Science; Pima C.C.

B.S in Biology; Minor in Chemistry: University of Arizona

M.Ed Teaching & Teacher Education: University of Arizona


Professional Accomplishments

Southern Arizona Swim Coach of the Year: 2010,11,12,14,15

Member of the staff to turn around Palo Verde High School from D school to A school