Summary:
Ceres Unified has four high schools serving grades 9–12, with a combined enrollment of 4,262 students, from 96 at Whitmore Charter High to 2,317 at Central Valley High. The clearest area-wide concern is mathematics: the four-school average was 15% proficient in 2025–2026, compared with 38% statewide, and every school was below the state result.
Whitmore stood out in English language arts (ELA) and science, leading with 77% and 50% proficient; those results were 14 and 8 points above the next-highest school in each subject. Ceres High had the group’s top math result at 21%, narrowly ahead of Central Valley by 1 point. At the other end, Argus High (Continuation) was lowest in all three subjects: 8% in ELA, 0% in math, and 1% in science. Its graduation rate was 79%, compared with 88% statewide, and chronic absenteeism was 79%, versus 18% statewide.
Average ELA and science results improved from 2024–2025 to 2025–2026, rising 9 and 6 points, while math was essentially unchanged. Whitmore had the largest gains in ELA and science, up 23 and 17 points, but its math result fell 1 point; it also had the smallest enrollment. SchoolDigger ranked Whitmore at the 70th statewide percentile, compared with the 63rd for Ceres, 60th for Central Valley, and 1st for Argus. The 2024–2025 free/reduced lunch eligible measures were 54% at Whitmore, 87% at Ceres, 87% at Central Valley, and 93% at Argus; these are context, not an explanation of results.
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