Mr. Jose Martinez, Principal

Jose T. Martinez 
Mr. Jose Martinez was born and raised in Brooklyn, NY and is a proud graduate of Xavier High School in Manhattan. After high school, Mr. Martinez attended Haverford College, in Haverford, PA where he earned his B.A. in History and played baseball at the collegiate level. Mr. Martinez then earned his M.Ed in Educational Leadership from Nova Southeastern University, in Fort Lauderdale, Florida. Mr. Martinez will be starting his 16th year this year with Orange County Public Schools, 13 of those years have been as an administrator. Prior to joining the Grenadier family, he was the principal at Lake Nona Middle School, and has served in a leadership capacity at both Meadow Woods Middle and Freedom Middle School. Mr. Martinez is excited to be at Colonial High School and has many great things planned for the Grenadier students and community. It’s going to be an exciting school year. It’s Great To Be A Grenadier!   

Ms. Elizabeth Fuller, Assistant Principal

Elizabeth Fuller

Ms. Maricarmen Aponte, Assistant Principal

Image result for picture placeholder  Mrs. Aponte was born and raised in the beautiful island of Puerto Rico. She attended Interamerican University of Puerto Rico where she earned double majors in Business Administration and Human Resources Administration. Mrs. Aponte relocated to Orlando, Florida in 2003 looking for better opportunities and high quality education for her children.  She earned a Master's Degree in Educational Leadership from Capella University- Minneapolis, MN. Mrs. Aponte began her education career in 2004 as a bilingual paraprofessional at the elementary level. In addition of being a math teacher, she has also spent the last five years providing professional development and coaching for teachers and school staff at Meadow Woods MS, Lake Nona MS, and Colonial HS. Mrs. Aponte is thrilled to be your Assistant Principal. She is excited more than ever to inspire, engage, and encourage teachers and students to be the best they can be in and out of the classroom! 

Mr. Jason Jiménez, Assistant Principal

Jason Jimenez
 Mr. Jason Jiménez is a product of Orange County Public Schools and a graduate of Cypress Creek High School.  Mr. Jiménez studied at Southern Mississippi where he earned a joint degree in Criminal Justice and Political Science.  He later earned a Masters in Educational Leadership from the American College of Education.  Before joining the Grenadier family, Mr. Jiménez taught US History and served as an Administrative Dean at Freedom High School.  Prior to answering his calling in education, Mr. Jiménez played professional football for nine years.  He is a 2004 NFC North Champion with the Green Bay Packers, and a 2006 Grey Cup Champion of the Canadian Football League.  A champion of perseverance and determination, he is a firm believer that demography does not determine a person’s destiny.  

Mr. Michael Mezger, Assistant Principal

Michael Mezger
 Mr. Michael Mezger was raised in Amarillo, Texas and moved to Tampa, Florida after middle school where he attended Jesuit High School.  Following high school, he furthered his education at the University of Central Florida where he earned a Bachelor's Degree in Liberal Studies with areas of focus in Commerce and Communication and a Minor in Sociology.  He earned a Master's Degree in Educational Leadership from the American College of Education.  Mr. Mezger has been a math and science teacher, as well as a math, science, and Marzano instructional coach at the school and district level.  Most recently, he was a program specialist before receiving the honor of joining Colonial High School as an assistant principal for the 2017-2018 school year. Mr. Mezger believes in the philosophy that students don't care how much you know until they know how much you care. 

Mrs. Kimberly Parsons, Assistant Principal

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Mrs. Parsons was born in Dover Delaware and moved to Warrensburg Missouri when she was 10 years old.  She attended the University of Central Missouri where she earned her Bachelor's Degree in Political Science.  In 2009, Mrs. Parsons moved to Florida to be closer to her family.  She has earned a Master's Degree in Social Science Education and a Master's Degree in Educational Leadership, both from the University of Central Florida.  Throughout Mrs. Parsons' career in education she has worked as a 7th grade Social Studies Teacher, Curriculum Resources Teacher at the middle school level, Testing Coordinator at the high school level and currently she is an Assistant Principal at Colonial High School.  Mrs. Parsons believes in leading through the motto of always doing what is best for students.


Mr. Jairo Rosales, Assistant Principal

Jairo E. Rosales


Mr. Jonathan Zenzel, Assistant Principal

Johnathan Zenzel
Mr. Jon Zenzel was born and raised in Hawley, Pennsylvania, a small town where family and community were strong.  Following high school, he attended Oswego State University where he competed in two sports, basketball and track and field, along with earning a Bachelor’s Degree in Secondary Education with a focus in Earth Science. He earned his first Master’s Degree in Adolescence Education, Grades 7-12, from Mercy College.  He later earned his second Master’s Degree in Educational Leadership from the American College of Education.  Mr. Zenzel has been a middle school science teacher, athletic director, YMCA after school coordinator, learning resource specialist, and a dean.  Before coming to Colonial High School, Mr. Zenzel was an Administrative Dean at Winter Park High School.   Family is very important to him. He is married to his wife Ashley and has two children, his daughter Campbell and son, Knox. He is excited and looking forward to working with the students, parents, and community.  Mr. Zenzel believes that the only person who is educated is the one who has learned how to learn and change