Upcoming Events
Don’t miss these important school events.
Back to School 2026–2027
Tuesday, September 8, 2026
Back-to-school celebration with a free BBQ. Come celebrate the start of the school year with your family! Donations to the school are appreciated.
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2026 Christmas Market
Saturday, November 28, 2026
Annual school Christmas Market. Artisans, vendors and organizations welcome. Register now!
View details & registerÉcole Sainte-Marie Mère de Dieu
École Sainte-Marie Mère de Dieu is a private French-language Catholic school whose aim is to instruct students in Christian doctrine and morals through the continuity of advanced general knowledge. Its educational goal is for students to be able to one day explain their faith, namely the certainty of their belief in God and His most holy Mother, to whoever wishes to hear.
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History
Sainte-Marie Mère de Dieu School came into existence in July 2022 as a result of the joint efforts of Mr. Ubertelli, a group of teachers, parents, and benefactors. Its purpose is to advance Catholic education with a traditional mindset in a rigorous, welcoming, and respectful environment, and to meet the needs of families seeking to educate their children through a thoughtful and conscientious approach. The school has assembled qualified and dedicated teachers who are recognized and experienced, each specialized in their respective fields of expertise. These teachers provide a classical and faithful education. The school has extensive premises in the Saint-François d'Assise church in the Hintonburg area of Ottawa.
MANAGEMENT and ADMINISTRATION
Francis P. Ubertelli, B.Ed., D.M.A.
Principal / CEO
Philosophy and Culture, Advanced French
Writer and composer by profession, Professor Ubertelli has taught for over twenty years in Ontario and Europe at the secondary and conservatory levels, and has significant experience teaching music, French, history, and philosophy. His studies and expertise include a Master’s degree in Music (Accademia Nazionale di Santa Cecilia, 1996), a Bachelor of Education (Laurentian University, 2009), and a Doctorate in Philosophy of Music (University of Toronto, 2020). A published author, he founded Sainte-Marie School in 2022, partly for his three children. He continues to write and compose alongside managing the school and teaching. For Professor Ubertelli, reason must necessarily be illuminated by faith—a faith informed by history.
Sarah S. Pion, TTS
Secretary
A graduate in Social Work Technology from La Cité College, Mrs. Pion worked for several years in security, then as an administrative assistant for a provincial member of parliament until her first child. A stay-at-home mother, she joined the Sainte-Marie School team in 2025 with joy and enthusiasm.
Liliane Mariza, B.A.
School Counsellor, Resource Teacher and Early Childhood
Ms. Mariza has several years of experience at various primary levels within different school boards in Ontario. Holding a bachelor's degree from Glendon College (York University), she also dedicated herself to social work in Ontario and Africa. Her career reflects a deep commitment to education and supporting family communities.
SECONDARY LEVEL
Gary Knight, Ph.D.
Mathematics, Physics and Chemistry, Advanced Mathematics, Grades 9-12
A physicist by profession, Professor Knight has extensive experience teaching science at both secondary and college levels. He holds advanced degrees in Biophysics (Toronto), Nanostructure Photonics (Ottawa), and completed postdoctoral research (McMaster) in advanced photovoltaic materials. He has lectured at the University of Ottawa and at Seneca and Algonquin Colleges. He also taught high school mathematics for several years. He is a long-time catechist for the Catholic RCIA (Rite of Christian Initiation) where he lectures on Catholic apologetics in a scientific context as opposed to deceptive environmental “scientism.” For Professor Knight, faith and reason are intimately linked to the true spirit of discipleship.
Michael Trolly, M.A., M.Div.
Music, English
Mr. Trolly's native language is piano. He also learned English over the years and is actively working to improve his French. Mr. Trolly studied piano and organ at Redeemer University (Hamilton), then voice and theology at Canadian Mennonite University (Winnipeg). Holding multiple theology degrees from Saint Paul University (Ottawa), he serves as organist at the Church of the Annunciation of the Blessed Virgin Mary and has been teaching with great finesse at École Sainte-Marie since 2024.
Maximilien Vachon, B.Sc., B.Ed. (cand.)
Latin, Mathematics, Corrections and Guidance, Grades 7-12
Trained as an engineer, Mr. Vachon left his profession to follow the Lord, first at Saint Peter Seminary and then at the Abbey of Lagrasse. Returning to Canada in 2021, he has dedicated himself to teaching Latin, mathematics, and French. He has been teaching at École Sainte-Marie since 2022 while continuing his education studies.
Samy Rekik, B.Sc. pol. (cand.)
History, French, Culture, Catechism
Trained as a political scientist, he studied at McGill University and is now continuing at UQAM. At the age of 20, he converted to the Catholic faith. Following the call to vocation, he began at the Grand Séminaire de Montréal and then at the Fraternità della Santissima Vergine Maria in Bagnoregio for a year. He is now a teacher at École Sainte-Marie and continually enrichs the daily lives of his students and colleagues.
INTERMEDIATE AND PRIMARY LEVEL
Émilie Tissot
Lead Teacher, Intermediate Levels, Health and Safety Representative
Ms. Tissot has an extensive academic background with the French Baccalaureate and a wealth of experience working with numerous students. She is the eldest of 12 siblings. She grew up caring for the younger ones, which helped her develop great patience and a strong interest in youth development. Passionate about creating a naturally caring and stimulating learning environment, especially in French and mathematics where she excels, Ms. Tissot fully invests herself in her students’ daily lives and welcomes every new challenge with enthusiasm.
Fabien Goyette,
Lead Teacher, Primary Levels
Mr. Goyette was a missionary in the Dominican Republic and then a novice at the Abbey of Fontgombault until 2022, when he returned to Canada to teach at the primary level for a year. His many talents as a teacher and painter captivate the children entrusted to him, reflecting his love for the teaching profession.
Appolonie Nibona, B.A.
Lead Teacher, Grades 1–2
Mrs. Nibona was Head of Administrative Services at the Institute of Business Management in Burundi, then Director of the Finance Department at the Ministry of East African Community Affairs. She arrived in Canada in 2023 for an administrative assistant position at Le Carrefour School, and enthusiastically joined Sainte-Marie School in 2025.
KINDERGARTEN
Katherine MacDonald
Lead Teacher, Kindergarten and Junior Kindergarten
Mrs. MacDonald is the eldest of eight siblings. She grew up caring for the younger ones, which helped her develop great patience and a strong interest in youth development. Passionate about creating a naturally caring and stimulating learning environment, especially in support and early childhood, Mrs. MacDonald fully invests herself in the daily lives of the students in her care and welcomes every new challenge with enthusiasm.
Liturgical Calendar
Friday, July 17 - FeriaEpistle
Epistle to the Romans 6,19-23.6,19I speak an human thing, because of the infirmity of your flesh. For as you have yielded your members to serve uncleanness and iniquity, unto iniquity: so now yield your members to serve justice, unto sanctification.
6,20For when you were the servants of sin, you were free men to justice.
6,21What fruit therefore had you then in those things of which you are now ashamed? For the end of them is death.
6,22But now being made free from sin and become servants to God, you have your fruit unto sanctification, and the end life everlasting.
6,23For the wages of sin is death. But the grace of God, life everlasting in Christ Jesus our Lord.
Gospel
Holy Gospel according to Saint Matthew 7,15-21.7,15Beware of false prophets, who come to you in the clothing of sheep, but inwardly they are ravening wolves.
7,16By their fruits you shall know them. Do men gather grapes of thorns, or figs of thistles?
7,17Even so every good tree bringeth forth good fruit, and the evil tree bringeth forth evil fruit.
7,18A good tree cannot bring forth evil fruit, neither can an evil tree bring forth good fruit.
7,19Every tree that bringeth not forth good fruit, shall be cut down, and shall be cast into the fire.
7,20Wherefore by their fruits you shall know them.
7,21Not every one that saith to me, Lord, Lord, shall enter into the kingdom of heaven: but he that doth the will of my Father who is in heaven, he shall enter into the kingdom of heaven.
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