Summary:
ZIP code 97138 contains one high school, Seaside High School, which serves grades 9–12 in Seaside School District 10 and enrolls 489 students. The district ranks 99 of 141 (30th percentile, 2 stars), while the school ranks 198 of 271 (27th percentile, 1 star). Its statewide rank has improved over three years, from 222nd to 212th to 198th, with percentile rising from 17 to 21 to 27. Per-student spending is $21,170, and the student-teacher ratio is 17.2.
In OSAS proficiency for 2025–2026, Seaside High’s math results are the clearest weakness: 14.3% proficient, compared with 26.9% in the district and 32.9% statewide. English Language Arts is 35.6%, below the district’s 41.6% and the state’s 43.8%. Science is the relative bright spot at 24.2%, above the district’s 20.3% but below the state’s 30.6%. The school’s all-grades and 11th-grade figures are identical in each subject, and the district’s 11th-grade results match Seaside High exactly, indicating the school is effectively the district’s high-school testing unit.
For 2024–2025, the graduation rate is 79.7%, the same as the district but below the state’s 83.0%. Chronic absenteeism is 46.3%, higher than the district’s 39.6% and the state’s 33.5%. Overall, Seaside High shows improvement in state ranking and a district-relative strength in science, but it still faces significant challenges in math proficiency, attendance, and overall state standing. The free/reduced-lunch figure in the data (139.47) is anomalous and should not be interpreted as a standard percentage.
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