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Faculty & Staff

Mrs. Mary Rushkoski has been with St. Mary's School since 2001, beginning her tenure here as the school's technology teacher. In 2008, she assumed responsibility as principal. Mrs. Rushkoski received her Bachelor of Science from Siena College and earned her MSEd from St. Joseph's College with a degree in Education Administration.  She holds a Graduate School Certificate in Catholic Leadership from St. Joseph's College as well. She also enjoys her role in the St. Mary's Parish community, where she is an active communicant and a Eucharist Minister.

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Mrs. Carrie Devine is a proud alumnus of St. Mary's school, and a lifelong resident of Waterford. She has worked in the field of Early Childhood education since she was a teen, and her classroom at St. Mary’s reflects her two decades of experience. Her Preschool classroom environment provides and encourages essential work and play encounters for the children, all of which contribute to the orderly process of growth and development of the child. Mrs. Devine attended Hudson Valley Community College and The College of St. Rose, and is married to a local high school English teacher and author. Together they have two daughters attending St. Mary’s as the third generation of Carrie’s family to receive an education there. She is proud of her school and community, and strives to maintain the important bonds between the two.

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 Mrs. Patricia Keough joined our community in 2015, when she supervised of our Before and After School Care programs. She is responsible for our Pre-Kindergarten program for 3 year olds and 4 years (3 days a week). Mrs. Keough was previously a teacher for 14 years in Winooski, Vermont. She holds her Bachelors of Science from Russell Sage College in Psychology with a minor in Elementary Education. 

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Mrs. Mary Kate Green has been teaching for 35 years. She began her teaching career at Saratoga Springs Public Schools prior to joining St. Mary’s, where she taught math remediation. Mrs. Green has been at St. Mary’s for 29 years teaching Kindergarten. She received her B.S. degree in Elementary Education from S.U.N.Y. at Plattsburgh and went on to get her M.S. degree in Early Childhood Education at the College of St. Rose.

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Ms. Katelyn Peat is a proud alumnus of St. Mary’s School. She attended Russell Sage College where she received a Bachelor of Science in Psychology and Childhood Education. She is currently working toward a Master’s degree in Special Education at the Sage Colleges. Ms. Peat came back to the St. Mary’s community in 2016 working in the preschool as an Assistant and running a Drama Club for middle school. She is now teaching First Grade. 

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Miss Susanne Norton has been teaching second grade at Saint Mary’s School for the past 38 years. Miss Norton received her Bachelor’s Degree in Elementary Education from Russell Sage College. She also holds a Master’s Degree in Developmental Reading from SUNY at Albany. In 2004, Miss Norton was awarded the Elizabeth Ann Seton Distinguished TeacherAward by the Albany Roman Catholic Diocese.

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Mrs. Laurie DelSignore has been teaching at St. Mary's since 1996. She is currently teaching first grade, but has also taught second and third grades. Mrs. DelSignore graduated from SUNY Oneonta in 1996. She received her Master's in Education- Reading from SUNY Albany, as well as her Literacy Certification.

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Mrs. Lynn Slater is our school's 3rd grade teacher. Mrs. Slater graduated with a Bachelor's Degree in Childhood Education from the State University of New York at Cortland. She then earned her Master's Degree from the University at Albany in Literacy and Early Childhood Education. 

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Mrs. Beth Keegan taught here for 15 years, before joining St. Mary's of Ballston Spa. Back in our community after a number of years away, Mrs. Keegan teaches 4th grade once again. She obtained her Bachelor of Science in Elementary Education from the College of St. Rose and her Master of Science from the State University of New York at Albany in reading.

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Mrs. Lisa Shimkus joins our community last year as a 5th grade teachers. Prior to joining St. Mary's, Mrs. Shimkus was a teacher at St. Clement's School in Saratoga, where she taught 5th and 3rd grade over the past eight years. She holds a Bachelor of Science from Fitchburg State College in Massachusettes and a Masters degree in Education from the College of St. Joseph's in Vermont. 

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Mr. Matthew Murphy joined St. Mary's in 2012, teaching fifth grade. He is currently our school's Middle School Social Studies teacher and also instructs various grades English Language Arts. He received his undergraduate degree from Salve Regina University in History with a concentration in U.S. History. Mr. Murphy also holds a Masters Degree from the College of Saint Rose in Childhood Education, certified in childhood education grades 1-6. In addition to teaching, Mr. Murphy advises our spring football club as well as Student Council.

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Mr. Robert Rathbun has joined our community and is the school's Middle School Math teacher, instructing students in grades 6th, 7th and 8th as well as Common Core Algebra I. Mr. Rathbun also instructs our Middle school students in technology. He holds his Bachelor degree in Business Management from Hofstra University and earned his Masters degree in secondary education from Jones International University.

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Mr. Sean Debiase joined the St. Mary's School community in 2015 as the Middle School English Language Arts teacher. His role expanded in March of 2016 when he assumed the role of Technology teacher. Mr. Debiase is a graduate of St. John's University and comes to us after teaching at Cathedral Preparatory in New York, from which he is an alumnus.

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Ms. Maria Verdile attended Siena College and the State University of New York at Albany to receive her Bachelor’s degree of Fine Art. She then attended The International School of Animation at Sheridan College in Ontario, Canada for an additional three year degree in Animation and Cartooning. Ms Verdile has over thirteen years of experience in teaching art in both high school and elementary levels with the last 8 years at St. Mary’s.

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Miss Laura Clow is St. Mary's School Physical Education teacher. Miss Clow holds a Bachelor of Science from Sage College of Albany in Physical Education and a Masters of Science in Health Education from Sage Graduate School in Troy. In addition to teacher physical education here at St. Mary's School, Miss Clow is a Health Coach for Community Care Physicians.

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Mrs. Heddy Cashman is the Spanish Teacher for grades 1st through 8th. She was born in Caracas, Venezuela and has been teaching Spanish in the Roman Catholic Diocese of Albany for fourteen years. She taught in St. James School in Albany and St. Brigid's in Watervliet prior to joining the faculty at St. Mary's. Mrs. Cashman attended Universidad Central de Venezuela where she studied in the school of Social Communication, and Journalism. She also has an Associate Degree from Hudson Community College.

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Ms. Olivia Faure is our school's general music teacher for students in pre-k through 8th grade. Ms. Faure earned her Bachelor of Science in Music Education K-12 from the College of Saint Rose with a concentration in Voice. She has had the opportunity to sing in venues such as The Salzburg Cathedral in Austria, Boston Symphony Hall, and The Troy Savings Bank Music Hall with the Albany Symphony. She previously taught at Delaware Community School and Pine Hills Elementary School in Albany, NY.

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Mrs. Liz Farrington has been blessed with the opportunity to teach here at St. Mary's. She is currently in her 12th year teaching and is now our school's Remedial Reading/Math teacher. Mrs. Farrington received her undergraduate degree in Psychology/Education from LeMoyne College. From there, she went on to receive my Master's Degree in Elementary Reading and Literacy from Walden University. She is New York State certified in Childhood Education Gr. 1-6 and Children with Disabilities Gr. 1-6. In addition to teaching, she has also served as a JV volleyball and softball coach at Saratoga Central Catholic in past years. She is also the recipient of the 2018-2019 Distinquished Teacher of the Year in the Roman Catholic Diocese of Albany. 

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