Summary:
ZIP code 98359 has one listed school, Olalla Elementary School, serving students from Pre-K through 5th grade in the Port Orchard area. The school enrolls 315 students and is part of the South Kitsap School District. Because it is the only school listed in the ZIP code, families cannot compare multiple local schools directly, but they can review its results against district and Washington averages and examine differences among grades and subjects.
Olalla Elementary School performs especially well in Math and Science. In 2025–2026, 63.16% of students were proficient in Math, compared with 43.59% in the district and 43.11% statewide. Science proficiency was 70.83%, versus 52.85% in the district and 50.95% statewide. Fifth grade was the strongest overall, with 64.58% proficiency in English Language Arts and 70.83% in both Math and Science. The school also had a relatively low student-teacher ratio of 13.7 to 1 and ranked in the 85th percentile statewide, earning four stars.
The main area for improvement is English Language Arts, particularly in 4th grade. Fourth-grade ELA proficiency was 44.68%, below both the district’s 50.07% and the state’s 50.43%, while 3rd- and 5th-grade results were above both comparisons. Schoolwide ELA proficiency fell from 61.03% to 54.89% year over year, and Math declined from 66.42% to 63.16%, although both remained above district and state levels. Science was notably stable, increasing slightly from 70.73% to 70.83%. Overall, the available data show a strong elementary school with standout Math and Science results, improving statewide ranking, and a need to monitor ELA performance and grade-level consistency.
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