Summary:
The 16 East Side Union High schools serve high-school grades, with spans from grades 9–12 to grades 11–12. Across the schools, the equal-weight average proficiency was 46% in ELA, 23% in math and 28% in science, compared with California averages of 49%, 38% and 36%. The largest average gap was in math, at 15 percentage points below the state. The central takeaway is that results vary sharply from school to school, so the group averages do not describe every school’s performance.
Evergreen Valley High led all three subjects: its all-grades scores were 82% in ELA, 65% in math and 63% in science—about 33, 27 and 27 points above state rates. In 11th grade, Piedmont Hills High and Santa Teresa High also stood out, with proficiency of 77% ELA, 56% math and 56% science at Piedmont Hills, and 67%, 46% and 58% at Santa Teresa. At the other end, Foothill High reported 0% in all three 11th-grade subjects; four schools—Foothill, Apollo High, Pegasus High and Phoenix High—reported 0% in 11th-grade math. Among grades 9–12 schools, William C. Overfelt High was lowest in ELA and math, at 41% and 12%.
Group-average scores rose from 2024–25 to 2025–26 by about 1 point in ELA, 1 in math and 3 in science, but individual schools moved in different directions: Phoenix ELA rose 16 points, while Santa Teresa fell 8; James Lick High science rose 11 points, while Piedmont Hills fell 4. SchoolDigger’s 2025–26 statewide rankings place Evergreen Valley at the 95th percentile and Piedmont Hills at the 90th, while Foothill is at the 2nd. The reported low-income measure is free/reduced lunch eligible, school year 2024–25: 22% at Evergreen Valley, compared with 68% at Andrew P. Hill High and 77% at Foothill; these figures describe context, not a cause of scores. Because school grade spans differ, 11th-grade results are the fairest direct comparisons between schools.
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