private

Cornerstone Montessori Prep School

177 Beverley Street, Toronto, Ontario, M5T 1Y7

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At a glance

Grades: PS – Gr. 12
Gender: Coed
Board: Independent
Religious affiliation: Christian; Christian values are integrated throughout the curriculum, with regular religious instruction and Preschool daily prayer and Bible stories.
Principal: Stephanie Ling
Program type: Online/Site Based
Associations: Other

Tuition & admissions

Tuition: $17,900 – $18,430 /year

Academics & learning

Curriculum: Liberal Arts & Montessori
Class size: 10 — 12 students
Accreditation: Approved and participating in Canada Wide Early Learning and Child Care program administered in cooperation with the Ministry of Education and the City of Toronto. Graduates complete OSSD requirements.

Course descriptions

Preschool Montessori CASA Programme

Hands-on Montessori learning develops independence, concentration, coordination, sensory awareness, language, and mathematics. Children explore geography, science, art, and music, with age-appropriate Christian teachings.

Junior Program

Builds on Montessori foundations through more complex academic concepts, project-based learning, and critical thinking.

Senior School Program

Addresses adolescent developmental needs through challenging academics, leadership development, emotional intelligence, and exploration of faith and purpose.

High School Program

Combines rigorous academics, advanced courses, hands-on learning, real-world experiences, leadership opportunities, and personalized academic planning for university and life.

Gifted Programme and Reach Ahead Program

Develops advanced critical thinking, problem-solving, and creativity, with early high school credit opportunities through the integrated Reach Ahead Program.

View course information on the school website

School images

Learning programs

Specializations

Christian Montessori education · Accelerated and individualized academics · Gifted programming · Early high school credits through the Reach Ahead Program · English as a Second Language support for international students

Languages

English · French (daily classes) · Mandarin (daily classes) · ESL (English as a Second Language) for international students

Learning support

On-site tutorials led by Cornerstone faculty provide review, help with challenging material, and targeted academic support. · Individualized high school course selection and academic planning reflect students' strengths, interests, abilities, and post-secondary goals. · Specialized daily English as a Second Language classes are available for international students; Preschool ESL is provided for children whose first language is not English.

Student life

Sports

Sports participation supplements core studies. Preschool includes daily physical activity · and Summer Camp includes sports.

Arts

Music supplements core studies. Preschool includes art · music · and movement · with early music instruction covering ear training · theory · singing · and creative movement.

Clubs & extracurricular activities

Power Up Club: The 2026–2027 tuition schedule lists a 4–6 p.m. Power Up Club for Grades 1–8 under Activities and Clubs; it does not specify the club activities.

Outdoor activities & education

Preschool outdoor play and exploration: Included in the Preschool daily routine.

About the school

Cornerstone Montessori Prep School in Toronto serves Preschool through Grade 12, combining Montessori principles with Christian values, accelerated academics, and individualized learning. Founded in 1990 by Dr. Stephanie Ling.