Top 5 Public Secondary Schools in Markham (2025)

Markham is known not only for its booming tech sector and cultural diversity but also for its excellent public education system. For families looking to settle down in a neighborhood that supports academic success, Markham offers top - ranking public secondary schools that combine strong academic records, extracurricular excellence, and a supportive community.

Whether you're moving for a better school district or investing in long - term family growth, here are the top 5 public secondary schools in Markham to consider in 2025.

🏫 1. Unionville High School

📌 School Overview
 Unionville High School is celebrated for its arts program and academic rigor. It’s part of the Arts Unionville program and attracts high - performing students across the region.

📊 Performance Snapshot (2025)

• Fraser Institute Rating: 9.0 / 10
• Ontario Ranking: 25 / 739
• EQAO Results:
  • Grade 9 Math: 90%
  • OSSLT: 92%
  • Reading: 93%
  • Writing: 90%

🌟 Why It’s a Top Choice

• Specialized Arts Unionville program
• High academic standards and student outcomes
• Strong sense of school community and leadership opportunities

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🏫 2. Pierre Elliott Trudeau High School

📌 School Overview
 Located in the Berczy Village area, Pierre Elliott Trudeau High School emphasizes academic achievement and offers both French Immersion and Advanced Placement (AP) programs.

📊 Performance Snapshot (2025)

• Fraser Institute Rating: 8.8 / 10
• Ontario Ranking: 38 / 739
• EQAO Results:
  • Grade 9 Math: 88%
  • OSSLT: 90%
  • Reading: 89%
  • Writing: 87%

🌟 Why It’s a Top Choice

• AP courses and French Immersion
• Excellent facilities and teacher support
• Competitive and collaborative learning environment

👉 Explore homes near Pierre Elliott Trudeau High School through Broko.

🏫 3. Milliken Mills High School

📌 School Overview
 Milliken Mills High School is well - regarded for its International Baccalaureate (IB) program, offering students a globally recognized curriculum.

📊 Performance Snapshot (2025)

• Fraser Institute Rating: 8.2 / 10
• Ontario Ranking: 92 / 739
• EQAO Results:
  • Grade 9 Math: 84%
  • OSSLT: 86%
  • Reading: 85%
  • Writing: 83%

🌟 Why It’s a Top Choice

• IB World School status
• Multicultural student body
• Balanced focus on academics, sports, and arts

👉 Explore homes near Milliken Mills High School through Broko.

🏫 4. Markville Secondary School

📌 School Overview
 Markville Secondary is consistently one of Markham’s highest - ranked schools, with a focus on STEM and well - rounded student development.

📊 Performance Snapshot (2025)

• Fraser Institute Rating: 8.9 / 10
• Ontario Ranking: 30 / 739
• EQAO Results:
  • Grade 9 Math: 89%
  • OSSLT: 91%
  • Reading: 92%
  • Writing: 90%

🌟 Why It’s a Top Choice

• Strong STEM programming
• High university placement rate
• Wide range of clubs and competitions

👉 Explore homes near Markville Secondary School through Broko.

🏫 5. Thornhill Secondary School

📌 School Overview
 Thornhill Secondary School offers enriched academic options and strong support services, making it a popular choice for families in the area.

📊 Performance Snapshot (2025)

• Fraser Institute Rating: 8.1 / 10
• Ontario Ranking: 105 / 739
• EQAO Results:
  • Grade 9 Math: 82%
  • OSSLT: 85%
  • Reading: 84%
  • Writing: 82%

🌟 Why It’s a Top Choice

• Strong academic support and guidance resources
• Inclusive school culture
• Excellent preparation for post - secondary success

👉 Explore homes near Thornhill Secondary School through Broko.

📍 Final Thoughts

Markham offers not just cultural richness and economic opportunity, but also some of Ontario’s top - rated public secondary schools. Investing in a home near these schools is an investment in your child’s future.

Let your real estate and education decisions go hand in hand with tools like Broko. Compare homes by school ratings, test scores, and more - it’s never been easier.