School Details

Address: 167 Dudley Ave

Board: York Region DSB

Grades: 9-12

Language: English

Enrollment (2024-2025): 940

Thornhill Secondary School

High School Good (78%) Above Province (+7%)

Academic Performance (EQAO)

School results compared to provincial averages for 2024-2025.

Metric Grade 9 Grade 10
SchoolProvinceDiff SchoolProvinceDiff
Math (G9) / Literacy (G10) 68% 58% +10% 88% 85% +3%
Strong (70%+) Moderate (60–69%) Needs support (<60%)
Trend (3yr) -2.00 (Prov: +4.00) -4.00 (Prov: 0.00)
Above province Below province

There are currently around 177 condo apartments, townhouses, semi-detached and detached homes for sale

For Rent (69)
Address Type Price Space
#422 - 399 Royal Orchard Blvd
Markham
Condo Apartment $1,499,000 1400-1599
9 Brightbay Cres
Markham
Detached Homes $1,549,000 1100-1500
#PH 7 - 1 Clark Ave
Vaughan
Condo Apartment $1,560,000 3000-3249
143 Dudley Ave
Markham
Detached Homes $1,599,000 1100-1500
90 Proctor Ave
Markham
Detached Homes $1,599,000 2500-3000
161 Townsgate Dr
Vaughan
Detached Homes $1,629,900 2500-3000
38 Rockford Crt
Vaughan
Detached Homes $1,649,000 2000-2500
136 Grandview Ave
Markham
Detached Homes $1,699,000 1100-1500
49 Apple Orchard Path
Markham
Detached Homes $1,728,000 2000-2500
188 Crestwood Rd
Vaughan
Detached Homes $1,749,000 5000 +
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