Summary
Chester W. Nimitz Elementary is a K–5 school in Sunnyvale, California, with 350 students, serving families in the area alongside schools in several nearby districts. In 2025–26, its proficiency rates were above California’s averages in English language arts (ELA), math, and science. But compared with nearby schools, Nimitz was below average in all three subjects, with the largest gap in math—the most important contrast for families weighing its results.
Nimitz’s strongest local result is ELA: 60% of students were proficient, compared with a 70% average among the 10 nearby schools, and Nimitz ranked eighth of the 11 schools in the comparison. Math was its weakest: 57% were proficient, versus a 75% nearby-school average, placing Nimitz 10th. Science proficiency was 55%, compared with a 67% nearby average, for a ninth-place ranking. All three results were above state averages—49% in ELA, 38% in math, and 36% in science—but below the Cupertino Union district’s 80%, 84%, and 76%, respectively. Overall, ELA is Nimitz’s strongest subject compared with nearby schools and its district, while math is its weakest.
Scores have risen since 2022–23: ELA gained 4 percentage points, math 2, and science 5, though science dipped to 38% in 2024–25 before rebounding. SchoolDigger placed Nimitz at the 79th percentile with 4 stars in 2025–26, compared with the district’s 96th percentile and 5 stars; Nimitz’s statewide percentile has stayed between 76 and 81 in the supplied history. Its 21.8 student-teacher ratio in 2024–25 was higher than those of 7 of the 10 nearby schools. Also as context, 51% of students were free/reduced lunch eligible in 2024–25, the highest rate among the 11 schools; the next highest was Braly Elementary at 32%. SchoolDigger’s group rankings show differences from the overall ranking: Asian Students ranked at the 48th percentile in 2025–26, compared with Nimitz’s overall 79th, while Low Socio Economic Status Students rose from the 46th percentile in 2024–25 to the 70th in 2025–26.
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