MR. A. HEWITT

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Lower Elementary Teacher

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School Owner & Principal

B.A. in Psychology and Economics

Lower Montessori Certification

Mr. Hewitt is the owner and Principal of Keystone Montessori. He has six years of past outside educational experience, which includes three years owning a Kumon Math & Reading Centre, and over three years as a teacher’s assistant in Kindergarten to Grade 3 classrooms within the Simcoe County Board of Education. He has a University Degree in Psychology from the University of Western Ontario, with a minor in Economics. 

MRS. C. BOSHIER

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Upper Elementary teacher

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Past Owner of Bright Horizons Montessori

Montessori Certification

30 Years Experience

Mrs. Boshier is the founder and past owner of Bright Horizons Montessori, which she operated for 30 years before retiring.

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Mrs. Boshier has graciously come out of retirement to assist Keystone Montessori and we are extremely thrilled to have her on board.

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Mrs. Boshier is dual Montessori Certified.

MME. L. VINCENT

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Casa Co-Teacher

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Casa and Elementary French Teacher

Mme. Vincent holds a Bachelor of Science (BSc) in Physical Education from the University of Montreal, and holds a Preschool/Kindergarten Teaching Diploma from the North American Montessori Center.

She comes to us with 16 years of teaching experience as a Casa teacher and directress including more than 10 years as an elementary French teacher, using the AIM French program.

MRS. S. GEISLER

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Casa Co-Teacher

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Casa and Elementary Music Teacher

Mrs. Geisler holds a Preschool/Kindergarten Teaching Diploma from the North American Montessori Centre.

She comes to us with 13 years teaching experiences as a Casa teacher and directress. In addition, she holds a Bachelor of Science (BSc) in Agriculture from the University of Guelph. Mrs. Geisler teaches music to the Casa and Elementary class using the Orff approach. She has achieved Orff Level II towards the Orff Pedagogy Certification at the Royal Conservatory of Music.