• Welcome to The Business Office

    3030 C.G. Zinn Road, Thorndale, PA 19372
    Phone: (610) 466-2400

    The Business Office supports the achievement of the School District's mission, goals, and objectives by managing the District’s financial affairs. It also provides information and analyses for sound decision-making and management. The Business Office:
    • Provides management oversight and financial accounting district-wide.
    • Ensures financial compliance with federal and state audit regulations.
    • Supports the school board, superintendent, and administrative team by providing sound financial management, guidance, financial planning documents, and accurate accounting records.
    • Coordinates budget planning.
    • Oversees payroll, food service, tax collections, child accounting, and transportation. 


    Tax Questions:

    General Tax Questions and Tax Certs: Berkheimer, 610-599-3143

    Delinquent Taxes for 2019/20 Tax Years and Later: Portnoff, 866-211-9466

    Delinquent Taxes for 2018/19 Tax Year or Earlier: Chester County Tax Claim Bureau, 610-344-6360

    Change of Mailing Address: Chester County Assessment Office, 610-344-6105

    All Other Tax Questions: taxquestions@casdschools.org


      Business Office  
    Lori Diefenderfer Director of Business Administration Ext. 82409
    Christopher Roten Executive Administrative Assistant Ext. 82428
    Pam Kiley Assistant Business Administrator/Federal Programs Ext. 82481
    Catherine Lark   Accounting Supervisor   Ext. 82442  
    Joanne Frank Purchasing Coordinator/Fiscal Services Specialist Ext. 82435
    Stefanie Christy Accountant Ext. 82402
    Tami Kirby Payroll Specialist Ext. 82410
    Crystal Wilkinson Accounts Payable Specialist Ext. 82422
    Jody Tait
    Transportation Manager Ext. 82504
    Tracy Foster-Porter Transportation Specialist Ext. 82418
    Charletta Chapman Routing Specialist Ext. 82436
      Food Service  
    Erin Robinson Supervisor of Food Service Ext. 82405
    Michael Cedeno Food Service Secretary Ext. 82404
      Tax Collection  
    Customer Care Dept. Berkheimer 610-599-3143
    Customer Service Portnoff Law Associates, Ltd. 866-211-9466
    Customer Service Chester County Tax Claim Bureau 610-344-6360
    Customer Service Chester County Assessment Office 610-344-6105