Phone: 214-496-6100


Degrees and Certifications:

BS in Mathematics and Political Science, Ashland University, Ashland, OH, TEA Certified 8-12 Mathematics

Mr. Portteus

Mathematics Department
This is my 8th year at CHS and 14th year in education.  I have a Bachelor of Science in Mathematics with a second major in Political Science from Ashland University in Ashland, OH.

I teach AP Statistics.

Please refer to Schoology for all class information

Class Schedule

Period Day/Time Course Room
1 A/8:50–10:20AM * C/8:50-9:30am AP Stats B113
2 A/10:30AM–12:00PM * C/10:26-11:06am AP Stats B113
3 A/12:10–2:25PM * C/1:06-1:46pm AP Stats B113
3 A Day Lunch C Lunch
4 A/2:35–4:10PM * C/2:42-3:22pm Conference B113
5 B/8:50–10:20AM * C/9:38-10:18am AP Stats B113
6 B/10:30AM–12:00PM * C/11:15am-12:55pm Team
6 C Day Lunch C Lunch
7 B/12:10–2:25PM * C/1:54-2:34pm AP Stats B113
7 B Day Lunch C Lunch
8 B/2:35–4:10PM * C/3:30-4:10pm AP Stats B113

Tutoring Schedule

  • AP Stats utilizes team tutoring.

    I am available daily before school at 8:15 AM except on test days.

    Dr. Johnson is available Tuersday and Thursday before school at 8:15 AM

    Coach Kemp is available Tuesday and Thursday after school until 4:45 PM