St. Mildreds Private School for Girls
St. Mildred’s-Lightbourn School is an exclusive private girls’ school located in southeast Oakville, offering schooling from preschool to grade 12.
For this article we will be focusing on their high school offering, from grades 9-12. There are currently 550 students registered at this prestigious campus, one of the top Oakville private schools.
St. Mildred’s-Lightbourn was founded in 1908, and it is considered one of the top private schools in Canada. The school offers a wide assortment of academic courses for students.
This school offers teacher-student mentorship, advanced technology including individual laptops which are loaded with a suite of school software programs.
St. Mildred’s is renowned for its academic excellence, its exchange programs with other top schools around the world, and the outstanding achievements of its alumni. It is a member of:
- The Conference of Independent Schools of Ontario (CIS Ontario)
- Canadian Accredited Independent Schools (CAIS)
Address & Contact Information
1080 Linbrook Rd.
Oakville, ON. L6J 2L1
Phone number: 905-845-2386
Website: https://www.smls.on.ca/
School Board: Independent
School Type: Private School
Academic Calendar: Semesters
School Size: students: 550
Religious Affiliation: Christian – Anglican
Foundation Year: 1908
School Uniform: YES
Language of Instruction: English
Gender: Female
Facilities
As you would expect from an exclusive private school, St. Mildred’s-Lightbourn offers an abundance of modern and high tech facilities for students.
Facilities include outdoor classrooms, nature gardens and a courtyard as well as exceptional indoor spaces including two art studios, a fully equipped black box theatre, two gymnasiums, a full dining hall, and two student lounges.
Students are encouraged not only for academic excellence, but also for co-curricular activities such as art, music, and drama.

Sports
St. Mildred’s private girls’ school offers a wide variety of sports for their students, including volleyball, swimming, soccer, floor hockey, basketball, track and field, badminton, golf, softball and tennis.
St. Mildred’s-Lightbourn High School Ranking
St. Mildred’s has consistently scored highly in the Fraser Institute’s annual ranking. For high school, this year’s score was 8.8 out of a possible 10, and the school is ranked 12th place out of all high schools in the province of Ontario. For elementary school grades, St. Mildred’s ranks a perfect 10, and is ranked number one in the entire province. Compare school rankings.
Nearby Amenities
For recreation, St. Mildred’s Lightbourn School is situated amid 10 acres of forested grounds in the heart of southeast Oakville. Facilities include outdoor classrooms, nature gardens and a courtyard as well as exceptional indoor spaces including two art studios, a fully equipped black box theatre, two gymnasiums, a full dining hall, and two student lounges.
St. Mildred’s-Lightbourn School Boundary Map
As a private school, St. Mildred’s serves a large catchment area ranging from Toronto in the east, through Mississauga and Oakville, to Burlington and Hamilton in the west. Students are also accepted from Brampton, Milton, and a school bus service is provided from all these locations.
category: Oakville private schools, St Mildreds
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