• Mr. Jacob Mertz
    Mr. Jacob Mertz
    636.443.4236
    jmertz@stcharlessd.org

    Algebra 2 
    Algebra 2 Lab
    AP Statistics

    Zach
    Mr. Zach Szatkowski
    636.443.4268
    zszatkowski@stcharlessd.org

    ACT Prep
    Geometry
    Geometry Lab
    Math Apps
    Pre-Algebra

    Dr. Mary Barton
    Dr. Mary Barton
    636.443.4260
    mbarton@stcharlessd.org

    Algebra 1
    Algebra 1 Lab
    Geometry

    Mr. Will Rohlfing
    Mr. Will Rohlfing
    636.443.4291
    wrohlfing@stcharlessd.org

    Algebra 2
    Honors Algebra 2
    Honors Pre-Calculus 

  • Ms. Stephanie Lake
    Ms. Stephanie Lake
    636.443.4230
    slake@stcharlessd.org

    Algebra 1
    College Algebra
    Honors Geometry

    Ms. Leigh Reisinger
    636.443.4263
    lreisinger@stcharlessd.org

    Calculus

    Ms. Clare Wacker

    Ms. Clare Wacker
    636.443.4262
    cwacker@stcharlessd.org

    ACT Prep
    Algebra 1
    Geometry
    Integrated Math
    Math Applications