Phone: (316) 772-5155


Degrees and Certifications:

B.S.Ed. in Mathematics + Minor in Coaching 7-12 Certification in Mathematics 7-12 Certification in Computer Studies

Doug Mabry

7-12 Mathematics

Head HS Baseball Coach

Asst HS Football Coach

I am a lifelong Kansas resident, having attended Halstead schools from Kindergarten through graduation in 1996.  I attended Pittsburg State University, and am a proud Gorilla!  I completed my student teaching at Sedgwick, under the supervision of our very own Mr. Hilliard!  My first full-time teaching position was at Bluestem High School, in Leon, Kansas.  In 2006, I was excited to have the opportunity to return to Sedgwick.



  • 1st hour:  Algebra I

    2nd hour: Pre-Calculus

    3rd hour:  Algebra II

    4th hour:  PLAN

    5th hour:  Probability and Statistics

    6th hour:  Algebra II

    7th hour:  Algebra I

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