Phone: 210-356-1800


Degrees and Certifications:

Bachelor of Arts in Biology, minor in Chemistry M.Ed. Educational Administration Science Composite Teacher Certification Principal Certification

Karly Yzaguirre

Welcome to chemistry!!  A little about me...

I graduated from Texas A&M University in 1998 with a degree in biology and a minor in chemistry.  I also earned my science composite teacher certification while at Texas A&M.  I began teaching at Marshall High School in 1998.  I worked there for 1 year, then came to NEISD to open Reagan High School.  I taught at Reagan for 7 years, then took 7 years off to raise my kids.    

My oldest son is a senior and my younger son is a freshman, both at Reagan.  We all enjoy sports, fishing, hanging out at the beach and being with family. 

While at Reagan the first time, I went to graduate school and earned my masters degree in educational administration with principal certification. I returned to Reagan in 2013 and have been here since then.  I have taught biology, chemistry, honors chemistry, AP chemistry and organic chemistry.  

This year I am teaching 2 sections of AP chemistry and 4 sections of honors chemistry.  I am very excited to work with the teachers in my department and with the administration to keep the Reagan science department excelling in all areas of science education.

Class Announcements

Class Schedule

  • 1st period: Honors Chemistry

    2nd period: Honors Chemistry

    3rd period: Honors Chemistry

    4th period: Honors Chemistry

    5th period:  LUNCH

    6th period:  AP Chemistry 

    7th period:  AP Chemistry

    8th period:  CONFERENCE