Christine Sefcik has served as Assistant Superintendent for Business and Operations at Grant Community High School District 124 since 1996.  Dr. Sefcik holds a Bachelor of Science from the Rochester Institute of Technology, a Master of Science in Educational Leadership from Northern Illinois University, and a Doctor of Education from National Louis University.  She has served on the Board of Directors for the Illinois Association of School Business Officials, is the former chairperson of the Northeastern Illinois Association of School Business Officials, and currently serves on the Executive Board for the Intergovernmental Utilities Purchasing Cooperative and the Lakes Region Schools Benefit Cooperative.  Prior to her tenure at Grant High School, Dr. Sefcik was employed by the Lake County High Schools Technology Campus and Community Consolidated School District 59.

Greg Urbaniak is in his second year as Director of Curriculum, Instruction, & Assessment for Grant High School.  Mr. Urbaniak oversees the Prairie State Achievement Exam, PLAN, and EXPLORE testing, along with Measures of Academic Progress (MAP) testing and Advanced Placement testing.  He attended Northern Illinois University for his Bachelor of Arts degree in English and English Education.  He has a Masters degree from Concordia University in Curriculum and Instruction and a second Masters degree in Educational Administration from Northern Illinois University.  Mr. Urbaniak also teaches graduate courses designed for educators.  Prior to beginning his position at Grant High School, Mr. Urbaniak served as a principal, assistant principal, curriculum director, and English teacher for other districts.

Eric Taubery is in his 12th year as a member of the Grant High School community. He was a Social Studies teacher for seven years before he became a Divisional Administrator. Mr. Taubery holds a Bachelor of Science in History from Northern Illinois University and a Master's Degree in Educational Leadership. As a Divisional Administrator, he is responsible for the Math and Science, in addition to being the Vocational Director. Mr. Taubery is currently working towards his Doctorate in Educational Leadership through Aurora University.

Jeremy Schmidt earned his Bachelor of Science in Education from Central Michigan University in 2005, and in the fall of the same year he accepted a position at Grant High School. In 2010, he completed his Master of Arts in Educational Leadership through Northeastern Illinois University and was subsequently awarded his Illinois Type 75 Administrative Certificate. His years in the classroom at Grant were spent teaching a broad spectrum of English courses from English 9 to AP Literature. In the spring of 2011, he accepted a new role to assume the duties and responsibilities of the Area Administrator of the Business, Fine Arts, Foreign Language, Family and Consumer Science, Industrial Technology, and PE/Health/Driver Education Departments. Additionally, he oversees the Library and is Director of Student Activities.