Assistant Superintendents & Directors

    Assistant Superintendent of Curriculum and Instruction  
    Ms. Lorie Cristofaro

    Cristofaro 2019

    Ms. Lorie Cristofaro serves as Assistant Superintendent of Curriculum and Instruction and has over 25 years of experience in Illinois public schools as a social studies teacher, department chair, and assistant principal of curriculum and instruction. Lorie is active in many professional organizations and has been the co-chair of the Women in Educational Leadership Luncheon for the past three years.  

    Ms. Cristofaro is a proud graduate of the University of Illinois at Urbana-Champaign with a Bachelor of Science degree in Secondary Education, and earned her Master of Science degree in Foundations of Education from Northern Illinois University.  She has found continued value in her post-masters course work and is currently a doctoral student at the University of St. Francis.

    Ms. Cristofaro is excited to come to Lockport and serve this great school community.  She resides with her family in Bolingbrook.


    Assistant Superintendent of Personnel  
    Mr. Anthony Cundari


    Mr. Anthony Cundari is the Assistant Superintendent for Personnel. Prior to joining the LTHS administrative team, Mr. Cundari served as the Assistant Superintendent for Human Resources in Cicero District 99 and the Director of Curriculum and Personnel in South Berwyn School District 100, where he also held the positions of middle school principal, elementary principal, middle school assistant principal, and teacher. 

    Mr. Cundari received his Bachelor’s Degree from MacMurray College in Jacksonville, IL majoring in Secondary Education and English. He earned his Master of Arts in Educational Administration from Governors State University and currently is working on his Ed. D. in Education Administration from Aurora University. 



    Director of Business Services
    Mrs. Stefanie Croix

    S. Croix

    Ms. Stefanie Croix is the Director of Business Services at LTHS. Prior to her current position, Croix served as the assistant business manager since 2006.  Prior to coming to LTHS, Croix served as an accounting manager at Matteson Elementary School District 162 and an administrative assistant for business services at Consolidated High School District 230.

    Ms. Croix earned a Bachelor of Science degree in Accounting from Illinois State University in 1996 and a Master of Science degree in Education from Northern Illinois University in 2004. She is a Certified Public Accountant and received an Illinois Professional Educator License with Chief School Business Official endorsement. She also is a member of the Illinois Association of School Business Officials and the Legal Issues Professional Development Committee.


    Director of Technology

    Mr. Matthew Dusterhoft
    Dusterhoft 2019
    Mr. Matthew Dusterhoft has served as the district's Director of Technology since 2005. Prior to LTHS, Mr. Dusterhoft was the Director of Technology for North Palos School District 205. He was elected to and served on the Board of Directors for Illinois Educational Technology Leaders.  
    Mr. Dusterhoft earned his Bachelor of Science degree in Elementary Education and his Master of Business Administration from the University of Illinois at Urbana-Champaign.  He has also completed all the requirements to receive professional recognition as a Certified Educational Technology Leader through the Consortium of School Networking.
    Director of Special Education
    Dr. Angela Huntington, Ed. D.


    Dr. Angela Huntington is the Director of Special Education at LTHS. Dr. Huntington previously served as transition specialist, special education teacher, and Director of Special Services at Consolidated School District 230.
    Dr. Huntington completed her doctorate studies at Illinois State University. She earned her Master of Arts in Educational Administration and Supervision from Chicago State University and her Bachelor of Science in Special Education from Northern Illinois University.
    Director of Community Wellness Center
    Ms. Susan Kleffman
    Ms. Sue Kleffman is the Director of the LTHS Community Wellness Center (CWC). Prior to LTHS, Ms. Kleffman was the Superintendent of Recreation for the Romeoville Recreation Department, after first serving as the Facility and Parks Supervisor and Special Events Coordinator.
    Ms. Kleffman earned a Bachelor of Science in Recreation and Park Administration from Illinois State University.
    Director of Facilities Management
    Mr. William Thompson 
     Mr. Thompson is the Director of Facilities Management, which makes him responsible for all LTHS buildings and grounds. Prior to LTHS, Mr. Thompson was the assistant chief engineer at Roosevelt University and owned/operated an A/C refrigeration company.
    Mr. Thompson earned a Bachelor of Business Administration and a Master of Business Administration at Roosevelt University.