News

An Evening of Engineering at STEM Family Nights

Take ordinary objects you would find in your home like plastic, string, cups and sticks. Now use those objects to design and engineer a landing device. This was the task at hand for parents and students attending STEM Family Night at Muir Elementary.

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    Business Services

    LWSD Resource Center
    Pathway to Meritorious Budget Award

    Learn about the Meritorious Budget Award

    Doing business with Lake Washington School District

    The LWSD Business Services department oversees the district’s financial, business, and other related services. The department ensures the district’s overall financial integrity and stability through the development of annual and multi-year budgets. Additionally, Business Services is responsible for enrollment and staffing projections and allocations, nutrition services, purchasing and procurement, accounting and payroll, and warehousing and asset management.

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    Contact Us

    Barbara Posthumus

    Associate Superintendent,
    Business and Support Services
    bposthumus@lwsd.org
    425-936-1211

    Business Services

    Accounting
    Margo Allen, Manager
    marallen@lwsd.org
    425-936-1478

    Budget & Fiscal
    Lynne Pyke, Manager
    lpyke@lwsd.org
    425-936-1278

    Nutrition Services
    Darrin Helfrecht, Director
    c-dhelfrecht@lwsd.org
    425-936-1393

    Payroll and Benefits
    Alyce Bredehoeft, Manager
    abredehoeft@lwsd.org
    425-936-1234

    Purchasing
    Robert Trepanier, Manager
    rtrepanier@lwsd.org
    425-936-1423

    Warehouse
    Ella Eibert, Manager
    eeibert@lwsd.org
    425-936-1140