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Colleen has been teaching at Calvary for 5 years and loves the family in God that we have here. She graduated from Concordia University in Seward, NE in 2002 with at Bachelor of Science Degree in Education.  She grew up in San Diego and moved to San Lorenzo when she accepted the call to teach at Calvary. Colleen is married to our 8th grade teacher, Mr. Bill Martchenke.  Colleen feels that this is a wonderful school with a loving and caring staff and she is proud to be a part of this ministry.  We are grateful to have Mrs. Martchenke here at Calvary.