Faculty & Staff

John M. Engelbrecht

Serving as Calvary Lutheran High School’s first Executive Director has been a true joy for Mr. John Engelbrecht. His many years of experience as a Lutheran administrator, educator, and guidance counselor have prepared him to lead Calvary Lutheran High School into the future.

Mr. Engelbrecht was blessed with the opportunity to start West Michigan Lutheran High School, Grand Rapids, Michigan, in 2003. He served four years as administrator and teacher. Prior to this experience, he served nineteen years in many capacities at Saint Paul Lutheran High School, Concordia, Missouri. His first nine years were in elementary education serving at First Lutheran School, Ponca City, Oklahoma, and Immanuel Lutheran School, Jefferson City, Missouri.

Mr. Engelbrecht earned his B.S. from Concordia University, Seward, Nebraska, and his M.Ed in Guidance and Counseling from Lincoln University, Jefferson City, Missouri. His leadership skills have been honed through a long affiliation with Association for Lutheran Secondary Schools where Lutheran administrators teach and guide upcoming Lutheran administrators and completion of the Van Lumen Educational Fellows Program.

Erich Ahlers

Mr. Erich Ahlers was Calvary’s first Called principal and teacher. In addition to serving as principal, he currently teaches Keyboarding, Web Design/ Desktop Publishing, and Yearbook Design. In 1998, he received his B.A. in Math Education from Concordia University Mequon in Wisconsin. Mr. Ahlers accomplished his Masters in Educational Administration from Concordia University, Austin, Texas in 2006. He taught seven years at Lutheran High North in Houston, Texas before accepting the call to serve as Teacher and Principal here at Calvary Lutheran High School.


Melisa Ahlers

Mrs. Melisa Ahlers teaches Choir and Chapel Band. She completed her B.A. in Music Education from Concordia University in Seward, Nebraska, in 1999. She taught high school choir and elementary band for four years at Lutheran High North in Houston, Texas.


Mark Buffington

Mr. Mark Buffington serves as Calvary High School’s Athletic Director and Head Boys Basketball Coach. He also serves in the classroom, teaching Health and American Government. Prior to coming to Calvary he held positions of teacher, coach of basketball and other sports, athletic director, assistant principal, and principal in the public school system for 30 years. He is a graduate of Blair Oaks High School, Hannibal-LaGrange Jr. College, Southwest Baptist University, and William Woods University graduate school. He is a native of central Missouri, born and raised in the Jefferson City/Columbia area. Mark and his wife, Dianne, are members of The Crossing Church in Columbia and presently reside in Mexico, Missouri. They have 4 children and 3 grandchildren.

Denise Crider

Mrs. Denise Crider currently teaches ACT Preparation, Economics, Career Preparation, Personal Finance, Leadership/Service, Cadet teaching, American History and World History. After school, Mrs. Crider heads up Future Teachers of America (FTA), Key Club, coordinates many of Calvary’s service projects, and serves as college guidance. After receiving a B.A. in History from Northeast Missouri State University, she completed a teacher certification program at Lincoln University. She is certified in the following areas: English, Social Studies, Elementary Education, and Adult Education and Literacy. She has been teaching for nineteen years in the central Missouri area and has taught at Calvary since it began.

William  Hawley

Mr. William Hawley teaches Algebra I, II, Geometry, Trigonometry and College Calculus. He received an Associates Degree in education at State Fair Community College in 1978; a BS in education, math and science in 1980; a M.Ed degree in 1983 at Lincoln University and M.DA. at Lincoln University in 1992. Mr. Hawley has served Calvary for six years and has 17 years of teaching experience as well as 13 years serving as Assistant Principal in the Jefferson City Public School system.

David Jungmeyer

Mr. David Jungmeyer received his A.A. from St. Paul’s College, Concordia, Missouri in 1968, and his B.S. in Education, Biology major, from Concordia Teachers College, Seward, Nebraska in 1970. After teaching in Lutheran schools in Sheboygan, Wisconsin, Hastings, Nebraska, and San Francisco, California, he and his wife, Beth, also a Seward grad, moved back to his home state of Missouri where he taught at California R-1 High School, California, Missouri, until his retirement in 2008. He received his MA in Science Education from Northeast Missouri State University, Kirksville. Mr. Jungmeyer has served on many state-wide committees, has conducted workshops throughout the state and has taught at the collegiate level several summers at McMurray University, Abilene, Texas. Mr. Jungmeyer teaches Biology, Chemistry, Conceptual Physics, Earth Science, and College Biology. After 40 years of teaching David is happy to have made full circle teaching once again in the Lutheran system. He enjoys his students and his classes at Calvary.

Jonathan Kueck

Mr. Jonathan Kueck graduated with a degree in secondary education from Concordia University in Seward, Nebraska in 2003. Besides teaching religion courses and physical education at Calvary Lutheran High School, he is also the head Lady Lions basketball coach. Before coming to Calvary Mr. Kueck served at Lutheran High in Little Rock Arkansas as the academic advisor and coached soccer, basketball, and volleyball. Mr. Kueck’s first call was to Martin Luther High School in Queens, New York where he taught religion and English while coaching soccer and baseball.

Ginger Luetkemeyer

“Senora” Luetkemeyer teaches senior level speech and Spanish levels I and II, and serves as the faculty advisor for Student Government and the Scholar Bowl team. She is a graduate of Central Methodist University with a degree in Secondary Education in the areas of Spanish and Social Studies. She studied Spanish in the Insituto Cultural in Oaxaca, Mexico. She is an active member of St. John’s Lutheran Church in Schubert, where she serves in Vacation Bible School and weekday school.

Becky Engelbrecht

Mrs. Becky Engelbrecht joined Calvary Lutheran High School as the Administrative Assistant in July, 2007. Although her duties are numerous, she loves the day-to-day activities of the school. Serving the needs of Calvary’s students and administration puts all of her education and past experiences to good use!

Janette Schanbacher

Mrs. Janette Schanbacher joins Mrs. Engelbrecht in the office as an Administrative Assistant. She and her family are members of Immanuel Lutheran Church in Honey Creek.