Open Window School Curriculum and Admissions Resources — Education

Researched on 2026-08-22 from official Open Window School sources.

Open Window's website blocked direct automated file archiving, so this folder contains a structured research summary and links to the live official pages rather than offline HTML copies. Recheck all information during the 2027–28 application process.

Curriculum summary

Area	Published approach
Mathematics	Bridges in Mathematics in lower school, adapted by teachers for gifted learners; customized pathways and acceleration later
Language arts	Collaborative Literacy Suite from the Center for the Collaborative Classroom, adapted for gifted learners
Science	Inquiry-based, hands-on and interdisciplinary study of life, earth and physical science
Social studies	History, geography, economics, government and civics with increasing depth
Spanish	Story, music, movement and play in primary grades; increasing reading, writing and proficiency work later
Arts	Visual art, drama and music for every student; integration with homeroom learning
Technology	Computer science for every K–8 student, based on Code.org Computer Science Fundamentals in lower school; maker labs, robotics, 3-D printing and related tools
Social-emotional learning	Explicit and integrated instruction in self-awareness, self-management, social awareness, relationships and decision-making
Physical education	Movement, mindfulness, self-regulation, individual and team activities
Library	Reading engagement and information-literacy development beginning in kindergarten

Academic progress tracking

The public website says teachers continually assess skills and knowledge and adjust advancement or support, but it does not publish a sample report card, grading scale, assessment calendar or the frequency of formal family reports. These are important questions for the required parent tour.

Ask Open Window to provide:

A blank kindergarten progress report or report card.
The annual parent-conference and written-report schedule.
Kindergarten reading and math assessment names and frequency.
How above-grade-level readiness is identified and acted upon.
How the school distinguishes healthy acceleration from excessive workload.
What triggers learning support and what services are available on campus.

Admissions

The 2027–28 application opens in September 2026 through Aryval; the exact opening day is not yet posted.
A parent tour is required.
K–8 applicants need an individually administered IQ assessment from a licensed psychologist.
Children aged 3 years 10 months through 5 years 11 months must use the WPPSI-IV; children six and older use the WISC-V.
The school says students who succeed there typically score around 125 / the 95th percentile or higher, but it does not publish a strict cutoff.
Open Window explicitly says not to prepare children for the test; prior exposure can invalidate results.
The school recommends testing during June–August before applying or by mid-November.
Kindergarten applicants also have teacher and school-administrator evaluations, parent application materials, a current progress report and an applicant visit. The lower-school visit normally occurs on a Saturday in January or early February.
Achievement testing is required beginning with applicants to grade 4, not kindergarten, according to the required-testing page.
Primary instruction and the admissions process are in English; the school says applicants need spoken-English fluency.

Confirm Open Window's kindergarten birthday cutoff with Admissions because it is not published on the public website.

Cost and logistics

Official published 2026–27 tuition: $42,880 for K–4 and $48,070 for grades 5–8. The 2027–28 amount is not yet published and will likely differ.
Tuition does not cover bus transportation, before/after-school care or extracurricular activities.
The school reports more than $1.2 million in annual need-based aid; 16% of students received assistance in 2024–25.
School hours: 8:30 a.m.–3:15 p.m.
Morning programs: 7:30–8:20 a.m.; afternoon care/programs: 3:30–6:00 p.m., for additional fees.
Commuter-style bus routes are offered on major arterials. The exact Issaquah stops and 2027–28 prices need confirmation.

Live official sources

Change log

2026-08-22: Reverified the redesigned admissions pages: the application now uses Aryval, costs $70, requires teacher and administrator evaluations, and is due January 14; aid is due January 31 through Clarity.
2026-08-22: Updated 2026–27 tuition to $42,880 for K–4 and $48,070 for grades 5–8; the official page now confirms the family-supplied figures.
2026-08-22: Initial curriculum and admissions research recorded.