Summary
Piedmont High is a public high school in Piedmont, California, serving grades 9–12 with 733 students in Piedmont City Unified. Its strongest finding is consistently high proficiency across all three subjects: in 2025–26, 95% of students were proficient in English language arts (ELA), 79% in math and 79% in science.
Piedmont High was well above state proficiency in ELA, math and science: 49%, 38% and 36%, respectively. It also exceeded its district in ELA and science, by 8 and 4 percentage points, but was 3 points below the district in math. Math is therefore its relative weak spot, though its result was still 41 points above the state. Among six nearby schools with same-year results, Piedmont led in all three subjects; those schools averaged 29% in ELA, 17% in math and 21% in science, compared with Piedmont’s 95%, 79% and 79%.
Science has made the clearest recent progress, rising from 64% in 2022–23 to 79% in 2025–26, and moving from below the district to above it. ELA also rose over that period, from 89% to 95%, though it dipped slightly from 96% the prior year. Math rose from 77% to 79% overall but fell from 81% in 2024–25. SchoolDigger ranks the school 16th of 2,137 California schools, in the 99th percentile with 5 stars; the district ranks 45th of 968, in the 95th percentile with 5 stars. The 2024–25 student-teacher ratio was 17.8, within the nearby-school range of 9.2 to 24. Free/reduced lunch eligible was 4% in 2024–25, the lowest share among nearby schools reporting that same measure and year. These figures provide context, not an explanation for academic results.
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