Summary:
Waterville School District is a small Washington district serving about 256 students in two schools: Waterville Elementary for kindergarten through fifth grade and Waterville High School for grades 6–12. Each school enrolls roughly half of the district’s students, so test results can change noticeably from year to year based on the performance of relatively small student groups.
The clearest strength is Waterville High School’s English language arts performance. Its 2025–26 proficiency rate was 71.43%, well above the district’s 62.2% and Washington’s 52.81%, with eighth-grade ELA particularly strong at 76.19%. The high school also improved substantially in ELA from the previous year and had an 85% graduation rate, above the state rate of 82.6%. By comparison, Waterville Elementary had 50.88% ELA proficiency, close to but slightly below the state result. Fourth-grade ELA was a bright spot at 58.33%, exceeding the statewide fourth-grade rate.
Math is the most consistent challenge across Waterville School District. Elementary math proficiency was 35.09%, and high-school math was 37.14%, both below the state’s 43.11%; every reported elementary math grade also trailed its statewide comparison. Elementary science declined sharply to 46.15%, while high-school science remained nearly unchanged at 48.57%. The latest rankings also weakened: Waterville Elementary fell to the 41st percentile, and Waterville High School to the 49th percentile. Parents should view these rankings alongside the high school’s strong ELA and graduation results, while remembering that suppressed grade-level data and small cohorts limit precise comparisons.
Thank you for your feedback!