Ms. Tonja Deroy

Phone: 972-843-8414 ext. 7205


Degrees and Certifications:

BS in Mathematics Certification : Mathematics 7-12

Ms. Tonja Deroy

My name is Tonja Deroy. I grew up in Mesquite, Texas and graduated from A&M Commerce in 2015 with a Bachelors in Mathematics.  I am beginning my third year at CHS and am excited about being a part of brave nation.  I currently teach Algebra 2, Pre-AP Algebra 2 and Algebra 1.  I will also be coaching cheer at EMS. 

I am always available by email at or by phone at 972-843-8414 ext. 7205.  I am also have conference on Tuesday and Thursday from 11:55-1:25 and offer tutoring during lunch time.