Issaquah High School
Issaquah, WA · High School · Grades 9-12
Issaquah High School is a high school in Issaquah, WA with 2,412 students enrolled and a 73% proficiency rate. Part of Issaquah School District. NCES data from the U.S. Department of Education.
About This School
Issaquah High School is a high school located in Issaquah, Washington. The school serves 2,412 students in grades 9-12. The student-to-teacher ratio is 22.8:1.
According to EDFacts assessment data, 73% of students meet grade-level proficiency standards in combined math and reading. The school reports a 89% graduation rate.
14% of students qualify for free or reduced-price lunch.
Issaquah High School is part of the Issaquah School District in Washington.
How This School Compares
Issaquah High School has 2,412 students enrolled, making it larger than the average school in Issaquah School District (651 students). Its 73% proficiency rate is 9 percentage points above the district average of 64%. Compared to the Washington state average of 49%, the school performs 24 points higher. The 22.8:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Issaquah High School has 2,412 students enrolled in grades 9-12. The student-to-teacher ratio is 22.8:1.
According to EDFacts data, 73% of students at Issaquah High School meet grade-level proficiency standards in combined math and reading assessments.
Issaquah High School has a 89% graduation rate, measuring the percentage of students who graduate within four years.
Issaquah High School is part of the Issaquah School District in Issaquah, Washington. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.