About Me

Phone: 512-749-1917


Degrees and Certifications:

B.S. in Mathematics Minor in Secondary Education Math 7-12 Teaching Certification Masters of Education in Educational Leadership

Maximo Castillo

Hello! My name is Maximo Castillo and I am an Algebra 1 Teacher at San Marcos High School.  I currently teach all Algebra 1.  I love math and helping others be successful.  

I grew up in Eagle Pass, Tx, and graduated from CC Winn High School in 2011.  After I graduated from Texas State University in 2015, I started working at San Marcos High School and am currently in my seventh year of teaching at SMHS.  I am proud to serve my students, community and keep growing, and learning as I am on getting my Masters in Education Leadership at Texas State.

Feel free to contact me with any questions if you have any questions regarding your child in my classroom.

  • Room Number: 309

    1st period - Algebra 1

    2nd period -Instructional Coaching

    3rd period - Instructional Coaching

    4th period - PLC Conference

    5th period - Instructional Coaching

    6th period - Instructional Coaching

    7th period - Instructional Coaching

Last Modified on August 2, 2021