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School comparison

Cornerstone Montessori Prep School vs Toronto STEM School.

Side-by-side comparison of two Toronto private schools.

Cornerstone Montessori Prep School

Cornerstone Montessori Prep School

Toronto, ON

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Toronto STEM School

Toronto STEM School

Toronto, ON

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Detailed Comparison

Cornerstone Montessori Prep SchoolToronto STEM School
Annual Tuition$17,500$14,950
Boarding Tuition
GradesPreschool to 129 to 12
CurriculumMontessori, AP, ChristianProgressive
Enrollment11045
Avg Class Size115
Student:Teacher
Gender PolicyCo-edCo-ed
Founded19952014
BoardingNoNo
Financial AidNoYes
Acceptance Rate100%70%
SportsVarsity Sports
ArtsMusic, Visual Art
SpecializationsMontessori, Gifted, AP, TrilingualScience, Technology, Engineering, Mathematics, Advanced Placement, Robotics

Comparison Highlights

  • Tuition difference: $2,550/year
  • Class size difference: 6 students
  • Cornerstone Montessori Prep School has larger enrollment (110 students)
  • Both schools are located in Toronto

Source: NextSchool verified school database

Last verified June 3, 2026Sources: NextSchool verified profilesData-driven comparison — no paid placements

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