Teacher Information

Dr. Donald Winsor

Phone: (281) 634-5600


Degrees and Certifications:

B.S., M.S. Angelo State University Ph.D. Texas A&M University Certification Science Composite

Dr. Donald Winsor

I received my B.S. and M.S. Biology from Angelo State University, San Angelo, Texas in 1977 & 1979 respectively and my Ph.D. in Microbiology, from Texas A&M University, College Station, Texas. I was a Faculty Member at the University of Texas Medical School at Houston from 1984-1994.  I have been at Dulles High School as a Biology Teacher from 1994-Present.

Teacher Schedule

  • Period 1:AP Biology
    Period 2:AP Biology
    Period 3:PreAP Biology
    Period 4:PreAP Biology
    Period 5:AP Biology
    Period 6:Off Period
    Period 7:AP Biology 
    AP Biology Labs are required and are Tuesday, Wednesday and Thursday after school form 3:00-5:15 


Teacher Tutorial Schedule

  • Tuesday and Wednesday mornings from 6:45-7:15