Maine South Leadership Team

Ken Wallace


Dr. Ken Wallace, Superintendent
Dr. Ken Wallace is in his 12th year with Maine Township High School District 207, first as Assistant Superintendent for Curriculum and Instruction and for the past 8 years as Superintendent. While Dr. Wallace was Assistant Superintendent he led improvements in the District’s technology program that included becoming Google’s first k-12 partner and pioneering 1:1 learning.

In 2015, Maine 207 received an International Digital Content and Curriculum Achievement Award from the Center for Digital Education, and was named one of America’s 14 Most Innovative School Systems in April of 2016 by Tech Insider. Dr. Wallace has made teacher leadership and job-embedded professional development a focus. District 207 is perhaps the only U.S. district that includes annual instructional coaching plans for all teachers who work with peer teacher coaches. One of the District’s four coaching paths includes authentic teacher action research, and the District has developed a research consortium with Northwestern, Illinois ASCD, several other universities and local Districts.

An educator for 31 years, Dr. Wallace was a high school English and journalism teacher for five years and taught computer science for six years. He holds B.S. and M.S. degrees from the University of Southern Indiana and Ed.S and Ph.D degrees from Indiana State University. Dr. Wallace was named the 2017 Illinois Association of Career and Technical Education Champion of the year for the District’s innovative work to improve college and career counseling and experiences for every District student.

Shawn Messmer


Mr. Shawn Messmer, Principal - Maine South High School
After starting a career in advertising following his Bachelor’s Degree, Mr. Messmer realized through his work as a basketball coach that his passion resided in helping young people reach their full potential and prepare for a successful school and work life. From there, he taught middle school and high school before serving as an assistant principal for five years at Souderton Area High School in Pennsylvania, his home state. He earned his master’s degree in educational leadership and principal’s certification at Lehigh University.

In 2010, Mr. Messmer became the principal at Maine South. Additionally, he is currently a member of the Midwest Principal’s Center’s Advisory Board, serves as the secretary of the Central Suburban League athletic conference, and is pursuing his doctorate in educational leadership at Concordia University of Chicago. Shawn is a fan of all things Philadelphia and is the proud father of three children.

George Dagres


Mr. George Dagres - Associate Principal
Mr. Dagres has been part of the Maine South family since 2002. Prior to arriving at Maine South, he was a science and math instructor at York Community High School in Elmhurst, then the Dean of Students at Libertyville High School. Mr. Dagres earned his Bachelor's Degree from the University of Illinois at Urbana-Champaign, Master's Degree from Lewis University in Romeoville and has completed several courses at Loyola University-Chicago.
Mr. Dagres knows that what makes Maine South special are wonderful and talented students, dedicated faculty/staff and supportive parents/community. He is proud to be a Hawk!

Dave Berendt


Mr. Dave Berendt - Assistant Principal for Students
Mr. Berendt is a student-centered educator, dedicated to giving students a comprehensive high school experience. Mr. Berendt has been an administrator for Maine 207 for 19 years. Since 2013, he has served as the Assistant Principal for Students at Maine South High School.

Previous to his current position, he was a Dean of Students, Athletic Director and Assistant Principal for Students, all at Maine West High School. Mr. Berendt began his educational career as a physical education teacher. He also coached football and wrestling at Maine West.

Jill Geocaris


Ms. Jill Geocaris - Assistant Principal for Teaching and Learning
Ms. Geocaris has been the Assistant Principal for Teaching and Learning at Maine South High School since 2014. She was previously the Social Studies Department Chair, teacher and Assessment Literacy trainer at Downers Grove North High School.

Ms. Geocaris holds a Bachelor's of Science degree in Social Studies Education from Eastern Illinois University, a Master's in Curriculum and Instruction from Northern Illinois University as well as her Educational Leadership certification from Concordia University. Ms. Geocaris is passionate about teaching and learning and is committed to supporting teachers and students as they strive to learn and grow each day.  

Kevin Scotellaro



Mr. Kevin Scotellaro - Assistant Principal for Student Services
Mr. Scotellaro has been Maine South's Assistant Principal for Student Services for six years, following five years in the same capacity at St. Charles North High School. Mr. Scotellaro began his career in public education in 1999 as a Special Education teacher at St. Charles High School and later becoming the Instructional Coordinator for Special Education at St. Charles North.

After graduating with a Bachelor of Arts in Psychology from St. Norbert College, Scotellaro taught at the Rimland School for Autistic Children in Evanston, while completing a Master's degree in Clinical Psychology from Roosevelt University. After completing a Master's in Sports Administration from St. Thomas University (Miami, FL), Scotellaro worked for the Kinston Indians (affiliated with the Cleveland Indians) professional baseball club in the Carolina League as Assistant General Manager, then was General Manager of the Appleton Foxes of the Midwest League.  A Master's of Science in Special Education led Scotellaro to his entrée into public education.


Linda Borchew
Marta Hall
Michael McGreevy

​Department Chairs
Kimberly Jablonski & Rebecca Stewart, Career & Technical Education
Matthew Parrilli, English
Teralyn Keith, Fine Arts
Susan Kramer, Foreign Language
Kevin Wiland, Mathematics
Donald Lee, Physical Education/Health Lead Teacher
Daun Biewenga, Science
Brendan Gaughan, Social Science
Laurel Grogger, Special Education

Andrew Turner, Athletic Director
JJ Crawford, Assistant Athletic Director

Dr. Mike Pressler, Principal - Maine East High School
Dr. Pressler is dedicated to a strengths-focused approach to teaching and learning that honors each student’s individual assets and proclivities as the basis for creating relevant and engaging learning experiences. Helping students identify interests and passions and then weaving those into learning experiences at school is central to his personal educational mission.

Pressler has been a District 207 administrator for 25 years: he has been Principal at Maine East since 2010, following five years as Assistant Principal for Instruction. He earlier served as Fine Arts Department Chair and Director of Bands at Maine South, during which time the department received state and national recognition for exemplary arts education programs. Before coming to Maine 207, he taught at Lyons Township High School, Wichita East High School (KS), and in downstate Carlinville, Illinois. Pressler holds a Doctor of Education in Educational Leadership from National-Louis University, a Master of Science in Music Education from the University of Illinois at Urbana-Champaign, and he graduated magna cum laude with a Bachelor of Music from Fort Hays State University in Hays, Kansas. Additionally he has completed advanced degree course work in public school administration at UIUC.

  • Maine North High School
  • Frost Academy