Summary:
Sunnyvale, California, has 19 schools serving elementary, middle and high school grades. In 2025–2026, elementary and middle school averages were above California’s benchmarks in all three tested subjects: elementary schools led by 9 percentage points in ELA, 21 in math and 16 in science; middle schools led by 11, 19 and 22 points, respectively. Those averages hide substantial differences between schools: the gaps from highest to lowest were 48 points in elementary ELA, 58 in math and 51 in science, and about 35–39 points across middle-school subjects. The most important finding is that results vary widely even among schools serving the same grade span.
Cherry Chase Elementary leads elementary schools in every subject, with 84% proficiency in ELA, 88% in math and 82% in science; its scores are about 29, 31 and 32 points above the other elementary schools’ averages. Cupertino Middle leads middle schools at 74% in ELA, 75% in math and 73% in science. At the lower end, Vargas Elementary has the lowest elementary ELA and math results, at 36% and 30%, while Lakewood Elementary has the lowest science result, at 31%. Columbia Middle is lowest among middle schools in all three subjects—39% ELA, 36% math and 34% science—about 28, 29 and 31 points below the other middle schools’ averages. Fremont High is above California in all three subjects; Community Day’s test scores are suppressed, so it cannot be compared on proficiency.
Recent results are mixed, with ELA declining on average in both elementary schools (down 1 point) and middle schools (down 3); elementary math rose 1 point and science 4, while middle math was effectively flat and science rose 2. Fremont High’s scores fell in all three subjects, by 9 points in ELA, 5 in math and 7 in science. SchoolDigger ranks Cherry Chase in the 99th percentile among California elementary schools and Cupertino Middle in the 95th percentile among middle schools. The elementary-school measure was free/reduced lunch eligible for 2024–2025: 7% at Cherry Chase and 51% at Chester W. Nimitz Elementary, whose scores were above California’s in all three subjects. These figures offer context, not an explanation for results.
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