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Oak Lawn Community HS
9400 Southwest Hwy.
Oak Lawn, IL 60453
Phone: (708) 424-5200
Fax: (708) 424-5263
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Home . Faculty & Staff Directory - Department
Faculty & Staff

Faculty & Staff Directory - Department

Superintendent/Principal's Office

Administrator: Michael Riordan

Michael Riordan, Superintendent/Principal

Areas of Responsibilities: Dr. Riordan serves as the CEO of the school district, including the implementation of District 229 Board of Education policies and procedures, as well as oversight of the school's academic programs. Dr. Riordan coordinates the school improvement plan and is the liaison between the school district and the Illinois State Board of Education and other local and state governmental agencies.

Maria Vanderwarren
Administrative Assistant to the Superintendent 
Areas of responsibilities: Ms. Vanderwarren provides office support for new student intake and residency verification, district personnel records, state reporting, and Board of Education correspondences and communications.

Donna Brehovsky
Administrative Assistant to the Principal
reas of responsibilities:  Ms. Brehovsky provides office support for building operations. Her primary responsibilities include securing substitutes as needed, as well as maintenance of certificated staff records.

Member Position Extension Webpage Contact Link
Michael Riordan Superintendent/Principal 5601
Donna Brehovsky Administrative Assistant -Principal 5610
Board of Education Board of Education  
Maria Vanderwarren Administrative Assistant -Superintendent 5602


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