Choosing a private school is one of the most important decisions a parent can make. It’s not just about academics. It’s about finding the right environment, values, support systems, and long-term opportunities for your child. If you are evaluating schools in Peel Region, you may want to explore USCA Academy’s private school programs as a benchmark for value, academic outcomes, and international support.
Ontario is home to many of Canada’s most respected private schools. From progressive urban academies to historic boarding institutions, these schools are known for small class sizes, high university placement rates, and a strong sense of community.
If you’re considering private education in Ontario, this guide provides a clear, updated picture of the top options available in 2025.
List of 15 Best Private Schools in Ontario (2025)
Here is a breakdown of the top-rated private schools in Ontario based on academic performance, class size, curriculum, and student experience. We’ve included key details that parents care about most.
| S.No | School Name | Grades | School Type | Avg Class Size / Ratio | Curriculum | Key Highlights |
| 1 | USCA Academy | 1 – 12 | Co-ed | ~10:1 | OSSD, AP | University prep, strong international student support |
| 2 | Upper Canada College | SK – 12 | Boys | ~20 students | IB | Prestigious all-boys school with global alumni network |
| 3 | Branksome Hall | JK – 12 | Girls | ~17 students | IB Continuum | STEAM programs and leadership training for girls |
| 4 | Appleby College | 7 – 12 | Co-ed | ~15:1 | IB, AP | Boarding and day school with global education focus |
| 5 | St. Michael’s College School | 7 – 12 | Boys | ~22 students | OSSD | Faith-based boys school with strong academics and athletics |
| 6 | Havergal College | JK – 12 | Girls | ~16 students | OSSD, AP | Emphasizes character, arts, and leadership development |
| 7 | The York School | JK – 12 | Co-ed | ~20:1 | IB | Urban campus with a strong international outlook |
| 8 | Ridley College | JK – 12 | Co-ed | ~15:1 | IB, OSSD | Boarding, athletics, and global service programs |
| 9 | Trinity College School | 5 – 12 | Co-ed | ~15 students | OSSD, AP | Leadership and outdoor education focus |
| 10 | Bishop Strachan School | JK – 12 | Girls | ~18 students | OSSD, AP | All-girls STEAM-focused school with innovation programs |
| 11 | Greenwood College School | 7 – 12 | Co-ed | ~15 students | OSSD | Progressive school with focus on social learning |
| 12 | Crescent School | 3 – 12 | Boys | ~14 students | OSSD | Strong mentoring, STEM focus, and all-boys environment |
| 13 | Pickering College | JK – 12 | Co-ed | ~16 students | OSSD, AP | Day and boarding with global citizenship programs |
| 14 | Albert College | Pre-K – 12 | Co-ed | ~12:1 | OSSD, AP | Small, arts-integrated school with outdoor learning |
| 15 | Bayview Glen School | Pre – 12 | Co-ed | ~20 students | OSSD | Inclusive community with STEAM and university prep |
Why Parents Choose Private Schools in Ontario
Over the past decade, private schools in Ontario have seen steady growth in enrollment. The reason is simple: they offer more than just academics.
Smaller Class Sizes
Most private schools keep class sizes under 20 students. Some, like USCA Academy, offer a student-teacher ratio as low as 10:1. This creates a more focused and personalized learning environment.
More Curriculum Options
Ontario’s private schools offer a variety of academic tracks, including the International Baccalaureate (IB), Advanced Placement (AP), and the Ontario Secondary School Diploma (OSSD). These programs help students stand out when applying to top universities worldwide.
Strong University Placement
Many schools on this list have excellent university placement records. Graduates go on to institutions like University of Toronto, McGill, Harvard, Yale, and Oxford.
Safe and Supportive Environments
Private schools often emphasize character development, leadership, community service, and respect. These values are embedded in the school culture and support students throughout their growth.
Focused Extracurriculars
With access to superior facilities and specialized staff, private schools typically offer strong programs in sports, music, arts, STEM clubs, debate, and leadership development.
Tuition and Financial Aid
Private education is a major investment, but many schools offer financial assistance. Tuition varies widely depending on the type of school and whether it offers boarding.
Tuition Ranges (2025)
| School Type | Tuition Range (CAD/year) |
| Day School (Local) | $15,000 – $35,000 |
| Boarding Schools | $50,000 – $80,000+ |
| International Programs | $20,000 – $50,000+ |
Financial Aid and Scholarships
Most schools provide:
- Entrance scholarships
- Merit-based awards
- Need-based financial aid
- Sibling discounts
- International student grants
For example, USCA Academy offers competitive tuition and flexible support for both local and international students. It’s one of the most accessible high-performing schools in the province.
Final Thoughts: Which School Is Right for Your Child?
There is no one-size-fits-all answer. The best private school depends on your child’s learning style, goals, and what you value as a family.
Some students thrive in traditional academic settings like Upper Canada College or Branksome Hall. Others may benefit from a more flexible or globally focused program like Greenwood College or USCA Academy.
Questions to Ask as You Decide:
- Does my child need smaller class sizes or more support?
- Are we looking for a day school or a boarding experience?
- Is university placement or international access a top priority?
- Are we seeking a faith-based, arts-oriented, or STEM-heavy environment?
- Is the school welcoming to international students?
Try to visit the schools that interest you. Attend open houses. Speak to teachers and current families. That’s how you’ll know if it’s the right fit.
Frequently Asked Questions About Best Private Schools in Ontario
- When is the best time to apply to private schools in Ontario?
Application cycles typically open in September for entry the following academic year. The bulk of admission decisions are made between December and March. Certain high-demand schools may fill spots by January, so applying early in the fall gives your child a better chance.
- What age should my child start private school in Ontario?
Most private schools in Ontario begin accepting students in Junior Kindergarten (age 4) or Senior Kindergarten (age 5). However, admission often becomes more competitive starting in Grade 5 and Grade 9, key entry years when many families choose to transition. It’s ideal to begin researching and applying at least one year in advance.
- Are private schools in Ontario required to follow the provincial curriculum?
Private schools are not legally required to use the Ontario Ministry of Education curriculum; however, most reputable schools choose to offer the Ontario Secondary School Diploma (OSSD), IB, or AP programs, ensuring graduates meet provincial academic standards and are competitive for university admissions.
- Are uniforms mandatory at private schools in Ontario?
The majority of private schools require uniforms to promote a cohesive school culture and limit distractions. Uniform policies may range from formal daily dress codes with blazers and ties to more relaxed polo-and-khaki combinations depending on the school’s traditions.
