School District · Washington
Issaquah School District
📍 Issaquah, WA · King County · NCES LEAID 5303750
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
5150 220th Ave SE, ISSAQUAH, WA 98029
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Enrollment
19,524 students
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NCES District ID (LEAID)
5303750
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District Type
Public School District
Zip Codes Served by Issaquah School District5 zip codes
Frequently Asked Questions
What zip codes are in Issaquah School District?▼
Issaquah School District serves 5 zip codes: 98027, 98029, 98050, 98059, 98075. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Issaquah School District rated?▼
Issaquah School District has an overall rating of 10 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 99th percentile among Washington school districts. Ratings are percentile-ranked within Washington only and are not comparable across states.
How many students attend Issaquah School District?▼
The NCES Common Core of Data directory reports enrollment of 19,524 students across 30 schools for Issaquah School District.
What grades does Issaquah School District serve?▼
Issaquah School District is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Issaquah School District?▼
You can reach Issaquah School District by phone at (425)837-7000 or by mail at 5150 220th Ave SE, ISSAQUAH, WA 98029. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Issaquah School District
Issaquah School District is a public school district serving 5 zip codes in Washington, primarily in King County. It carries an overall rating of 10/10 (Excellent), the 99th percentile among Washington districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Washington districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (425)837-7000 before making a housing decision.