STEM & Assessment


  • Welcome to the STEM and Assessment site!  We provide support in the areas of STEM and Assessment to all schools in the Tolleson Elementary School District.  We fully support our district's mission by ensuring that all students have access to STEM during the school day, are fully prepared for all assessments and safe while learning.

  • School Safety

    For more information on Tolleson Elementary School District's Standard Response Plan, please visit the School Safety page. 


  • Interested in supporting our schools STEM programs, have questions about Assessment or Safety?  Contact us!

    Krystal Bolf
    Director of STEM and Assessment
    623-533-3922

    Kara Sehr
    Director of STEM and Assessment
    623-533-3922

    Angelica Velador
    Administrative Assistant
    623-533-3920