About Teacher



Degrees and Certifications:

Bachelor of Science-Physical Education & Health (Southwest Texas State University Masters of Art-Education (UTSA)

Mrs. Christy Rastellini


For the past 25 years I've taught science at MacArthur High School teaching Anatomy & Physiology and Biology. Prior to that, I taught Physical Education, Health, and coached Varsity soccer for 13 years at Robert E. Lee. Going on my 39 thyear.....still loving it.

My teaching philosophy is simple: I believe a caring can make a positive and lasting impact on a student's life forever. I strive to build a rapport with my students that allows them to express themselves in class and that they're not being judged. My role as an educator is to help students learn, grow, develop into successful  individuals.

My goal is to create an enjoyable, positive, and fun learning environment! A class that students look forward to attending and one that incorporates a variety of "hands on" activities to enhance their learning of the human body. 

The ultimate compliment is when  students decide to enter the medical field due to your enthusiasm and love for what you teach!


Classroom Announcements

Class Schedule

  • Class Schedule


    1st Period - Biology
    2nd Period- Anatomy & Physiology

    Flex Time- (Thursdays only)
    3rd Period - Conference
    4th Period - Lunch

    5th Period - Anatomy & Physiology
    6th Period - Anatomy & Physiology
    7th Period - Biology

    8th Period- Biology