private

SLI The Sidney Ledson School

220 Duncan Mill Road, Suite 107, Toronto, Ontario, M3B 3J5

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At a glance

Grades: PS – Gr. 6
Gender: Coed
Board: Independent

Tuition & admissions

Tuition: $17,390 – $19,490 /year
Application deadline: 2026-12-01
Application fee: $150 Early Bird registration (by December 15, 2026) or $200 regular registration (after December 15, 2026)
Enrolment fee: One-time registration fee of CAD $500 for new applicants, plus a fee deposit under the tuition policy.
Financial aid: No
Interview required: Yes

Admissions process

Contact admissions or schedule a private tour, then submit the Application Form. · Applications for 2027–2028 are open, with a priority deadline of December 1, 2026. Applications for 2026–2027 may be considered on request, space permitting. · The school reviews submitted forms and documents and may request clarification or schedule an assessment. · To schedule an assessment, provide available dates, submit the Medical Information Form, and pay the applicable assessment fee. · Kindergarten applications are accepted on a rolling basis when space permits; applicants complete a one-day in-person assessment. · The admissions text also specifies a 2–5 day in-school/online assessment to determine program suitability. · The principal communicates the admission decision within three days after assessment. · Following written confirmation of eligibility, parents have three days to complete registration, including the Enrollment Form, tuition deposit, and one-time new-applicant registration fee.

Academics & learning

Curriculum: Traditional
Student–teacher ratio: Approximately 12 students per teacher in Grades 1–6.
Class size: 10 — 12 students

Course descriptions

Preschool

On-site early learning with reading, writing, numeracy, life skills, self-regulation, French and social development; the academic page describes field trips as experiential learning.

Kindergarten

Early reading, mathematics, coding, French, entrepreneurship, writing, poetry, science and hands-on problem-solving, with age-appropriate contests and experiential activities.

Grades 1–6

Enriched subjects include mathematics, language, entrepreneurship, journalism, computer science (including HTML/CSS, Python, R, JavaScript and introductory machine learning topics), natural science, history, geography, research, arts, current events, debate/Model UN, French three times weekly, music and PE. The school states class ratio is approximately 1:12.

Secondary-school readiness

Grades 3–6 receive preparation described by SLI as including SSAT/ISEE readiness, interviews, academic planning and leadership/portfolio activities; it is preparation, not a secondary program.

View course information on the school website

School images

$SLI The Sidney Ledson School$

School videos

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Learning programs

Specializations

Academically enriched education for gifted or high-achieving students. · Early literacy, coding, entrepreneurship, and strong writing and communication across subjects. · Secondary-school admission readiness.

Languages

English · French (immersive instruction three times per week)

Learning support

Small classes allow individualized pacing and guidance. · New Grades 1–6 students are assessed during their first few days to identify strengths and weaknesses and establish academic goals.

Student life

Sports

Physical education develops movement, athletic skills, overall well-being, and readiness for team sports.

Arts

Arts is included in the Grades 1–6 curriculum. · Weekly practical and theoretical music instruction, with optional additional piano instruction and Royal Conservatory of Music exam preparation. · Poetry instruction culminating in national contests.

Clubs & extracurricular activities

Student-led clubs: The official clubs page describes student-led clubs and provides examples (Pokemon, Reading, Research); examples are from older web content and current club availability should be confirmed.
House League: The current homepage describes a values-based program for teamwork and community; specific schedule and sports vary.

Outdoor activities & education

Betty Sutherland Trail learning: The current homepage describes outdoor learning beside the Betty Sutherland Trail as a way to connect academics with exploration and wellbeing. No current fixed trip schedule or destinations were specified.
Curriculum field trips: The current academics page says field trips and practical experiences are integrated into preschool, kindergarten and elementary learning; specific destinations were not published in the reviewed pages.

University destinations

University of Toronto Schools Secondary School
Upper Canada College Secondary School

About the school

SLI The Sidney Ledson School is a private elementary school in Toronto offering Preschool through Grade 6, with small classes, individualized pacing, and an academically enriched program suited to gifted or high-achieving students.

Location & school highlights

Location

220 Duncan Mill Road
Unit 107
North York
Ontario
M3B 3J5
Toronto.

What makes the school distinct

Class sizes capped at 12 students in Kindergarten–Grade 6 and 5 students in Preschool.
Coding begins in Kindergarten; early reading instruction introduces even two-year-olds to reading.
Individualized learning and subject acceleration based on student abilities.
National entrepreneurship, math, writing, and poetry contests.
Student-led clubs, a house system, and leadership opportunities.
Secondary-school admission preparation, including SSAT readiness, interview skills, and portfolio development.
University of Toronto Teaching Placement Program partnership following a successful 2020–2021 pilot.