Summary:
ZIP code 98624 has one high school, Ilwaco High School, serving grades 9–12 in the coastal community of Ilwaco. The school enrolls 297 students and is part of the Ocean Beach School District. Because it is the only high school in the ZIP code, families are choosing among programs and performance characteristics within one school rather than comparing several local high schools.
The school’s recent trend is encouraging. Its statewide ranking rose from the 24th percentile in 2023–2024 to the 65th percentile in 2025–2026, while its rating increased from one star to three. Academic results help explain this improvement: English language arts proficiency reached 76.12% in 2025–2026, exceeding the district by 36.57 percentage points and the state by 23.31 points. Science also improved substantially, reaching 52.24%, slightly above the statewide rate and 7.74 points above the district. Reported graduation results are also favorable, with a 91% school graduation rate in 2023–2024 compared with 82.6% statewide in 2024–2025, although the figures come from different years.
Mathematics is the clearest area needing attention. Only 23.88% of students were proficient in math in 2025–2026, nearly unchanged from the prior year and 19.23 points below the state. The school’s 54.55% free- or reduced-price lunch participation indicates that many families may face economic challenges, an important consideration when evaluating resources and support. The student-teacher ratio is 19.8, and reported spending was $20,451 per student in 2023–2024. Overall, Ilwaco High School shows strong recent momentum in ranking, English, and science, while parents may want to ask specifically about math support, course options, and strategies for sustaining the school’s recent gains.
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