How to get into Lakeside School
Seattle, WA Grades 5–12 · DayMost selective
Lakeside School is a most selective day school in Seattle, WA, serving grades 5–12. Applicants typically take the SSAT or ISEE. Below is the admission test, the application timeline, and how to prepare.
Approximate tuition: ~$46,000 per year. This figure is approximate and changes every year — always confirm current tuition and financial aid on Lakeside School's official site.
Required admission tests
SSAT — Secondary School Admission Test
Grades 3–11 (Elementary / Middle / Upper) · Percentile vs. same-grade applicants; penalty for wrong answers (guess wisely)
Prep for the SSAT with iPrepGeniusISEE — Independent School Entrance Exam
Grades 2–12 (Primary / Lower / Middle / Upper) · Stanine 1–9 (no penalty for wrong answers)
Prep for the ISEE with iPrepGeniusApplication deadlines
These are typical windows that change each year — confirm current dates on Lakeside School's official admissions page.
How to prepare
- Start with a free diagnostic to find your child's strengths and gaps on the SSAT or ISEE.
- Practice every section with adaptive, verified questions.
- Take full-length, section-timed simulations to build pacing and stamina.
- Track a readiness percentile and follow a weekly study plan up to the deadline.
Build your Lakeside prep plan
Diagnostic → adaptive practice → simulations → readiness score. Start free.
Start freeiPrepGenius is an independent study resource, not affiliated with or endorsed by Lakeside School or any test publisher. School details are a starting guide — verify current requirements with the school.