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Schools in Zip Code 99166


At a glance
5
Schools
574
Students
Top rankedRepublic Senior High School251st of 396 Washington high schools
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Smallest classes
Republic Elementary School 13.5 students per teacher
Summary:

Zip code 99166 is served by four schools in the Republic School District, offering kindergarten through grade 12 in a small community: Republic Elementary School, Republic Middle School, Republic Senior High School, and the K–12 Republic Parent Partner alternative program. Together, they enroll about 540 students, with the Parent Partner program serving the largest number.

The strongest current traditional-school results are at Republic Senior High School, especially in ELA, where 65.71% of students were proficient in 2025–2026—above both district and state rates. Its math and science results were much weaker, however. Republic Middle School performed best in science relative to its other subjects, while seventh-grade ELA was a bright spot. Eighth-grade ELA and math were concerning, with proficiency of 27.27% and 12.12%. Republic Elementary School had the lowest current traditional-school results in ELA, math, and science, and its statewide ranking has declined over three years. The broadest concern across the district is math, with every school reporting less than 28% proficiency.

The Republic Parent Partner program should be viewed separately because it serves K–12 students through an alternative model and has suppressed current ELA and science results. Its prior-year ELA and science results were comparatively strong. The high school’s 82% graduation rate was close to the state rate of 82.6%, despite weak math and science testing outcomes. Traditional schools report high rates of students qualifying for free or reduced-price lunch, while school size, staffing, and program structure may affect comparisons. Parents may want to focus on math support, elementary literacy, the eighth-grade transition, and the high school’s ability to maintain strong ELA while improving math and science.

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private




Cities Near Zip Code 99166

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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