Chiawana Senior High School
Pasco, WA · High School · Grades 8-12
Chiawana Senior High School is a high school in Pasco, WA with 2,999 students enrolled and a 34% proficiency rate. Part of Pasco School District. NCES data from the U.S. Department of Education.
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About This School
Chiawana Senior High School is a high school located in Pasco, Washington. The school serves 2,999 students in grades 8-12. The student-to-teacher ratio is 20.3:1.
According to EDFacts assessment data, 34% of students meet grade-level proficiency standards in combined math and reading. The school reports a 68% graduation rate.
67% of students qualify for free or reduced-price lunch, indicating the school serves a predominantly low-income community.
Chiawana Senior High School is part of the Pasco School District in Washington. The school receives Title I federal funding.
How This School Compares
Chiawana Senior High School has 2,999 students enrolled, making it larger than the average school in Pasco School District (661 students). Its 34% proficiency rate is 7 percentage points below the district average of 41%. Compared to the Washington state average of 49%, the school performs 15 points lower. The 20.3:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Chiawana Senior High School has 2,999 students enrolled in grades 8-12. The student-to-teacher ratio is 20.3:1.
According to EDFacts data, 34% of students at Chiawana Senior High School meet grade-level proficiency standards in combined math and reading assessments.
Chiawana Senior High School has a 68% graduation rate, measuring the percentage of students who graduate within four years.
Chiawana Senior High School is part of the Pasco School District in Pasco, 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.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.