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Seneca High School

High School


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Mr. Giertz

Dean of Students

Mr. Mark Giertz is the new Dean of Students at Seneca High School and is in his 21st year in education. Mr. Giertz received his bachelor’s degree in Elementary Education from Greenville University and his master’s degree in educational leadership from Olivet Nazarene University. He and his family reside in Seneca and look forward to many great years to come here at District 160.