Faculty and Staff

Middle School Team

Sheryl McCarthy – Middle School Math and Science Guide

GSCM_McCarthy15Sheryl McCarthy has a Bachelor’s degree in Biology and Chemistry from Hillsdale College in Michigan and a Master’s degree in Zoology from Miami University.  She taught 7th and 8th grade science and environmental education to all grades at Maumee Valley Country Day School in Toledo, Ohio for two years before beginning a twenty-year career as a behavioral pharmacologist at Pfizer, Inc. in Groton, Connecticut.  After leaving Pfizer, Sheryl decided to return to her first love of teaching and taught 6th, 7th and 8th grade math and science at Sacred Heart School in Groton for four years. Having grown up in Toledo, Sheryl is very happy to return to her home state of Ohio with her husband. Their two daughters, Katie and Ellie, are both currently in college.

Joan Ratajczak – Middle School Humanities Guide

GSCM_Ratajczek15Joan Ratajczak has been teaching history and literature to GSCM students for four years and has also been teaching these subjects to home schooled, high school students since 2000.  A graduate of Miami University, Oxford, Ohio, she holds a Bachelor’s degree in Dietetics and a Master’s Degree in Nutrition from Case Western Reserve University and worked as a clinical dietitian teaching therapeutic diets to patients and staff. Her interest and experience in education expanded when she began home schooling her own four children as well as other families in history, literature, writing, Biblical studies, and science.  She brings a love of and enthusiasm for history and literature especially as they relate to one another, to current events today, and to God’s plan.

Elizabeth Jobe – Middle School Assistant Guide